Finding the Fourth Proportional to 58,310.86, 80,493.82 and 39,201.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,310.86 : 80,493.82 = 39,201.72 : x
2. Step 2: Convert to fraction form
   58,310.86/80,493.82 = 39,201.72/x
3. Step 3: Cross multiply
   58,310.86x = 80,493.82 × 39,201.72
4. Step 4: Simplify right side
   58,310.86x = 3,155,496,193.37
5. Step 5: Solve for x
   x = 3,155,496,193.37/58,310.86
6. Step 6: Final answer
   x = 54,115.07