Finding the Fourth Proportional to 1,294,404.72, 1,941,887.35 and 495,686.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294,404.72 : 1,941,887.35 = 495,686.30 : x
2. Step 2: Convert to fraction form
   1,294,404.72/1,941,887.35 = 495,686.30/x
3. Step 3: Cross multiply
   1,294,404.72x = 1,941,887.35 × 495,686.30
4. Step 4: Simplify right side
   1,294,404.72x = 962,566,955,538.31
5. Step 5: Solve for x
   x = 962,566,955,538.31/1,294,404.72
6. Step 6: Final answer
   x = 743,636.78