Finding the Fourth Proportional to 88,270.41, 121,839.86 and 59,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,270.41 : 121,839.86 = 59,992.50 : x
2. Step 2: Convert to fraction form
   88,270.41/121,839.86 = 59,992.50/x
3. Step 3: Cross multiply
   88,270.41x = 121,839.86 × 59,992.50
4. Step 4: Simplify right side
   88,270.41x = 7,309,477,501.09
5. Step 5: Solve for x
   x = 7,309,477,501.09/88,270.41
6. Step 6: Final answer
   x = 82,807.79