Finding the Fourth Proportional to 904,103.50, 1,247,721.15 and 501,695.50

Step by Step Solution

1. Step 1: Write the proportion equation
   904,103.50 : 1,247,721.15 = 501,695.50 : x
2. Step 2: Convert to fraction form
   904,103.50/1,247,721.15 = 501,695.50/x
3. Step 3: Cross multiply
   904,103.50x = 1,247,721.15 × 501,695.50
4. Step 4: Simplify right side
   904,103.50x = 625,976,086,209.83
5. Step 5: Solve for x
   x = 625,976,086,209.83/904,103.50
6. Step 6: Final answer
   x = 692,372.15