Finding the Fourth Proportional to 755,300.97, 1,042,328.63 and 411,146.79

Step by Step Solution

1. Step 1: Write the proportion equation
   755,300.97 : 1,042,328.63 = 411,146.79 : x
2. Step 2: Convert to fraction form
   755,300.97/1,042,328.63 = 411,146.79/x
3. Step 3: Cross multiply
   755,300.97x = 1,042,328.63 × 411,146.79
4. Step 4: Simplify right side
   755,300.97x = 428,550,068,293.86
5. Step 5: Solve for x
   x = 428,550,068,293.86/755,300.97
6. Step 6: Final answer
   x = 567,389.80