Finding the Fourth Proportional to 88,401.80, 121,997.06 and 48,118.16

Step by Step Solution

1. Step 1: Write the proportion equation
   88,401.80 : 121,997.06 = 48,118.16 : x
2. Step 2: Convert to fraction form
   88,401.80/121,997.06 = 48,118.16/x
3. Step 3: Cross multiply
   88,401.80x = 121,997.06 × 48,118.16
4. Step 4: Simplify right side
   88,401.80x = 5,870,273,812.02
5. Step 5: Solve for x
   x = 5,870,273,812.02/88,401.80
6. Step 6: Final answer
   x = 66,404.46