Finding the Fourth Proportional to 908,945.52, 1,254,353.41 and 501,061.99

Step by Step Solution

1. Step 1: Write the proportion equation
   908,945.52 : 1,254,353.41 = 501,061.99 : x
2. Step 2: Convert to fraction form
   908,945.52/1,254,353.41 = 501,061.99/x
3. Step 3: Cross multiply
   908,945.52x = 1,254,353.41 × 501,061.99
4. Step 4: Simplify right side
   908,945.52x = 628,508,815,777.89
5. Step 5: Solve for x
   x = 628,508,815,777.89/908,945.52
6. Step 6: Final answer
   x = 691,470.28