Finding the Fourth Proportional to 851,939.31, 1,175,466.56 and 520,711.41

Step by Step Solution

1. Step 1: Write the proportion equation
   851,939.31 : 1,175,466.56 = 520,711.41 : x
2. Step 2: Convert to fraction form
   851,939.31/1,175,466.56 = 520,711.41/x
3. Step 3: Cross multiply
   851,939.31x = 1,175,466.56 × 520,711.41
4. Step 4: Simplify right side
   851,939.31x = 612,078,847,261.89
5. Step 5: Solve for x
   x = 612,078,847,261.89/851,939.31
6. Step 6: Final answer
   x = 718,453.58