Finding the Fourth Proportional to 660,892.92, 912,034.59 and 359,086.92

Step by Step Solution

1. Step 1: Write the proportion equation
   660,892.92 : 912,034.59 = 359,086.92 : x
2. Step 2: Convert to fraction form
   660,892.92/912,034.59 = 359,086.92/x
3. Step 3: Cross multiply
   660,892.92x = 912,034.59 × 359,086.92
4. Step 4: Simplify right side
   660,892.92x = 327,499,691,856.56
5. Step 5: Solve for x
   x = 327,499,691,856.56/660,892.92
6. Step 6: Final answer
   x = 495,541.23