Finding the Fourth Proportional to 903,045.63, 1,246,188.71 and 495,150.83

Step by Step Solution

1. Step 1: Write the proportion equation
   903,045.63 : 1,246,188.71 = 495,150.83 : x
2. Step 2: Convert to fraction form
   903,045.63/1,246,188.71 = 495,150.83/x
3. Step 3: Cross multiply
   903,045.63x = 1,246,188.71 × 495,150.83
4. Step 4: Simplify right side
   903,045.63x = 617,051,373,773.27
5. Step 5: Solve for x
   x = 617,051,373,773.27/903,045.63
6. Step 6: Final answer
   x = 683,300.32