Finding the Fourth Proportional to 88,111.75, 121,538.89 and 52,276.39

Step by Step Solution

1. Step 1: Write the proportion equation
   88,111.75 : 121,538.89 = 52,276.39 : x
2. Step 2: Convert to fraction form
   88,111.75/121,538.89 = 52,276.39/x
3. Step 3: Cross multiply
   88,111.75x = 121,538.89 × 52,276.39
4. Step 4: Simplify right side
   88,111.75x = 6,353,614,413.81
5. Step 5: Solve for x
   x = 6,353,614,413.81/88,111.75
6. Step 6: Final answer
   x = 72,108.59