Finding the Fourth Proportional to 755,658.54, 1,042,793.78 and 411,498.54

Step by Step Solution

1. Step 1: Write the proportion equation
   755,658.54 : 1,042,793.78 = 411,498.54 : x
2. Step 2: Convert to fraction form
   755,658.54/1,042,793.78 = 411,498.54/x
3. Step 3: Cross multiply
   755,658.54x = 1,042,793.78 × 411,498.54
4. Step 4: Simplify right side
   755,658.54x = 429,108,115,933.59
5. Step 5: Solve for x
   x = 429,108,115,933.59/755,658.54
6. Step 6: Final answer
   x = 567,859.81