Finding the Fourth Proportional to 88,399.37, 121,989.42 and 48,114.02

Step by Step Solution

1. Step 1: Write the proportion equation
   88,399.37 : 121,989.42 = 48,114.02 : x
2. Step 2: Convert to fraction form
   88,399.37/121,989.42 = 48,114.02/x
3. Step 3: Cross multiply
   88,399.37x = 121,989.42 × 48,114.02
4. Step 4: Simplify right side
   88,399.37x = 5,869,400,783.72
5. Step 5: Solve for x
   x = 5,869,400,783.72/88,399.37
6. Step 6: Final answer
   x = 66,396.41