Finding the Fourth Proportional to 1,063,557.55, 1,467,729.39 and 580,139.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063,557.55 : 1,467,729.39 = 580,139.96 : x
2. Step 2: Convert to fraction form
   1,063,557.55/1,467,729.39 = 580,139.96/x
3. Step 3: Cross multiply
   1,063,557.55x = 1,467,729.39 × 580,139.96
4. Step 4: Simplify right side
   1,063,557.55x = 851,488,469,605.42
5. Step 5: Solve for x
   x = 851,488,469,605.42/1,063,557.55
6. Step 6: Final answer
   x = 800,604.04