Finding the Fourth Proportional to 67,649.92, 93,295.20 and 58,086.80

Step by Step Solution

1. Step 1: Write the proportion equation
   67,649.92 : 93,295.20 = 58,086.80 : x
2. Step 2: Convert to fraction form
   67,649.92/93,295.20 = 58,086.80/x
3. Step 3: Cross multiply
   67,649.92x = 93,295.20 × 58,086.80
4. Step 4: Simplify right side
   67,649.92x = 5,419,219,922.61
5. Step 5: Solve for x
   x = 5,419,219,922.61/67,649.92
6. Step 6: Final answer
   x = 80,106.82