Finding the Fourth Proportional to 1,107,064,910.10, 1,660,849,307.55 and 646,766,145.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107,064,910.10 : 1,660,849,307.55 = 646,766,145.30 : x
2. Step 2: Convert to fraction form
   1,107,064,910.10/1,660,849,307.55 = 646,766,145.30/x
3. Step 3: Cross multiply
   1,107,064,910.10x = 1,660,849,307.55 × 646,766,145.30
4. Step 4: Simplify right side
   1,107,064,910.10x = 1,074,181,104,568,287,616
5. Step 5: Solve for x
   x = 1,074,181,104,568,287,616/1,107,064,910.10
6. Step 6: Final answer
   x = 970,296,406.98