Finding the Fourth Proportional to 1,990,966,382,109.10, 2,747,504,367,069.90 and 1,112,053,977,136.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990,966,382,109.10 : 2,747,504,367,069.90 = 1,112,053,977,136.10 : x
2. Step 2: Convert to fraction form
   1,990,966,382,109.10/2,747,504,367,069.90 = 1,112,053,977,136.10/x
3. Step 3: Cross multiply
   1,990,966,382,109.10x = 2,747,504,367,069.90 × 1,112,053,977,136.10
4. Step 4: Simplify right side
   1,990,966,382,109.10x = 3,055,373,158,598,885,700,009,984
5. Step 5: Solve for x
   x = 3,055,373,158,598,885,700,009,984/1,990,966,382,109.10
6. Step 6: Final answer
   x = 1,534,618,156,315.74