Finding the Fourth Proportional to 58,702.60, 80,978.56 and 41,713.71

Step by Step Solution

1. Step 1: Write the proportion equation
   58,702.60 : 80,978.56 = 41,713.71 : x
2. Step 2: Convert to fraction form
   58,702.60/80,978.56 = 41,713.71/x
3. Step 3: Cross multiply
   58,702.60x = 80,978.56 × 41,713.71
4. Step 4: Simplify right side
   58,702.60x = 3,377,916,105.18
5. Step 5: Solve for x
   x = 3,377,916,105.18/58,702.60
6. Step 6: Final answer
   x = 57,542.87