Finding the Fourth Proportional to 911,526.25, 1,257,931.59 and 503,654.38

Step by Step Solution

1. Step 1: Write the proportion equation
   911,526.25 : 1,257,931.59 = 503,654.38 : x
2. Step 2: Convert to fraction form
   911,526.25/1,257,931.59 = 503,654.38/x
3. Step 3: Cross multiply
   911,526.25x = 1,257,931.59 × 503,654.38
4. Step 4: Simplify right side
   911,526.25x = 633,562,755,043.86
5. Step 5: Solve for x
   x = 633,562,755,043.86/911,526.25
6. Step 6: Final answer
   x = 695,057.06