Finding the Fourth Proportional to 825,974.08, 1,140,244.71 and 553,942.47

Step by Step Solution

1. Step 1: Write the proportion equation
   825,974.08 : 1,140,244.71 = 553,942.47 : x
2. Step 2: Convert to fraction form
   825,974.08/1,140,244.71 = 553,942.47/x
3. Step 3: Cross multiply
   825,974.08x = 1,140,244.71 × 553,942.47
4. Step 4: Simplify right side
   825,974.08x = 631,629,971,061.83
5. Step 5: Solve for x
   x = 631,629,971,061.83/825,974.08
6. Step 6: Final answer
   x = 764,709.19