Finding the Fourth Proportional to 495,758.88, 684,151.92 and 294,516

Step by Step Solution

1. Step 1: Write the proportion equation
   495,758.88 : 684,151.92 = 294,516 : x
2. Step 2: Convert to fraction form
   495,758.88/684,151.92 = 294,516/x
3. Step 3: Cross multiply
   495,758.88x = 684,151.92 × 294,516
4. Step 4: Simplify right side
   495,758.88x = 201,493,686,870.72
5. Step 5: Solve for x
   x = 201,493,686,870.72/495,758.88
6. Step 6: Final answer
   x = 406,434.85