Finding the Fourth Proportional to 1,154,339,112.42, 1,592,945,298.27 and 625,691,748.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154,339,112.42 : 1,592,945,298.27 = 625,691,748.15 : x
2. Step 2: Convert to fraction form
   1,154,339,112.42/1,592,945,298.27 = 625,691,748.15/x
3. Step 3: Cross multiply
   1,154,339,112.42x = 1,592,945,298.27 × 625,691,748.15
4. Step 4: Simplify right side
   1,154,339,112.42x = 996,692,728,381,879,424
5. Step 5: Solve for x
   x = 996,692,728,381,879,424/1,154,339,112.42
6. Step 6: Final answer
   x = 863,431,480.11