Finding the Fourth Proportional to 1,123,778.88, 1,684,880.46 and 413,714.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,778.88 : 1,684,880.46 = 413,714.52 : x
2. Step 2: Convert to fraction form
   1,123,778.88/1,684,880.46 = 413,714.52/x
3. Step 3: Cross multiply
   1,123,778.88x = 1,684,880.46 × 413,714.52
4. Step 4: Simplify right side
   1,123,778.88x = 697,059,510,766.28
5. Step 5: Solve for x
   x = 697,059,510,766.28/1,123,778.88
6. Step 6: Final answer
   x = 620,281.73