Finding the Fourth Proportional to 1,154,339,131.01, 1,592,945,323.98 and 625,691,766.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154,339,131.01 : 1,592,945,323.98 = 625,691,766.87 : x
2. Step 2: Convert to fraction form
   1,154,339,131.01/1,592,945,323.98 = 625,691,766.87/x
3. Step 3: Cross multiply
   1,154,339,131.01x = 1,592,945,323.98 × 625,691,766.87
4. Step 4: Simplify right side
   1,154,339,131.01x = 996,692,774,288,350,848
5. Step 5: Solve for x
   x = 996,692,774,288,350,848/1,154,339,131.01
6. Step 6: Final answer
   x = 863,431,505.97