Finding the Fourth Proportional to 755,727.90, 1,042,897.59 and 416,188.86

Step by Step Solution

1. Step 1: Write the proportion equation
   755,727.90 : 1,042,897.59 = 416,188.86 : x
2. Step 2: Convert to fraction form
   755,727.90/1,042,897.59 = 416,188.86/x
3. Step 3: Cross multiply
   755,727.90x = 1,042,897.59 × 416,188.86
4. Step 4: Simplify right side
   755,727.90x = 434,042,359,078.85
5. Step 5: Solve for x
   x = 434,042,359,078.85/755,727.90
6. Step 6: Final answer
   x = 574,336.82