Finding the Fourth Proportional to 1,154,339,112.07, 1,592,945,297.71 and 625,691,747.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154,339,112.07 : 1,592,945,297.71 = 625,691,747.98 : x
2. Step 2: Convert to fraction form
   1,154,339,112.07/1,592,945,297.71 = 625,691,747.98/x
3. Step 3: Cross multiply
   1,154,339,112.07x = 1,592,945,297.71 × 625,691,747.98
4. Step 4: Simplify right side
   1,154,339,112.07x = 996,692,727,760,691,456
5. Step 5: Solve for x
   x = 996,692,727,760,691,456/1,154,339,112.07
6. Step 6: Final answer
   x = 863,431,479.83