Finding the Fourth Proportional to 925,118.32, 1,276,665.42 and 517,234.72

Step by Step Solution

1. Step 1: Write the proportion equation
   925,118.32 : 1,276,665.42 = 517,234.72 : x
2. Step 2: Convert to fraction form
   925,118.32/1,276,665.42 = 517,234.72/x
3. Step 3: Cross multiply
   925,118.32x = 1,276,665.42 × 517,234.72
4. Step 4: Simplify right side
   925,118.32x = 660,335,681,047.38
5. Step 5: Solve for x
   x = 660,335,681,047.38/925,118.32
6. Step 6: Final answer
   x = 713,785.11