Finding the Fourth Proportional to 852,783.30, 1,277,490.15 and 553,472.10

Step by Step Solution

1. Step 1: Write the proportion equation
   852,783.30 : 1,277,490.15 = 553,472.10 : x
2. Step 2: Convert to fraction form
   852,783.30/1,277,490.15 = 553,472.10/x
3. Step 3: Cross multiply
   852,783.30x = 1,277,490.15 × 553,472.10
4. Step 4: Simplify right side
   852,783.30x = 707,055,156,049.82
5. Step 5: Solve for x
   x = 707,055,156,049.82/852,783.30
6. Step 6: Final answer
   x = 829,114.68