Finding the Fourth Proportional to 2,245,780,406.25, 3,098,968,978.88 and 1,242,176,373.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245,780,406.25 : 3,098,968,978.88 = 1,242,176,373.27 : x
2. Step 2: Convert to fraction form
   2,245,780,406.25/3,098,968,978.88 = 1,242,176,373.27/x
3. Step 3: Cross multiply
   2,245,780,406.25x = 3,098,968,978.88 × 1,242,176,373.27
4. Step 4: Simplify right side
   2,245,780,406.25x = 3,849,466,047,064,499,200
5. Step 5: Solve for x
   x = 3,849,466,047,064,499,200/2,245,780,406.25
6. Step 6: Final answer
   x = 1,714,088,357.15