Finding the Fourth Proportional to 865,932.72, 1,194,883.56 and 478,696.02

Step by Step Solution

1. Step 1: Write the proportion equation
   865,932.72 : 1,194,883.56 = 478,696.02 : x
2. Step 2: Convert to fraction form
   865,932.72/1,194,883.56 = 478,696.02/x
3. Step 3: Cross multiply
   865,932.72x = 1,194,883.56 × 478,696.02
4. Step 4: Simplify right side
   865,932.72x = 571,986,004,535.43
5. Step 5: Solve for x
   x = 571,986,004,535.43/865,932.72
6. Step 6: Final answer
   x = 660,543.24