Finding the Fourth Proportional to 1,294,388.28, 1,941,862.69 and 495,669.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294,388.28 : 1,941,862.69 = 495,669.86 : x
2. Step 2: Convert to fraction form
   1,294,388.28/1,941,862.69 = 495,669.86/x
3. Step 3: Cross multiply
   1,294,388.28x = 1,941,862.69 × 495,669.86
4. Step 4: Simplify right side
   1,294,388.28x = 962,522,807,691.52
5. Step 5: Solve for x
   x = 962,522,807,691.52/1,294,388.28
6. Step 6: Final answer
   x = 743,612.12