Finding the Fourth Proportional to 89,480.40, 134,217.52 and 22,921.10

Step by Step Solution

1. Step 1: Write the proportion equation
   89,480.40 : 134,217.52 = 22,921.10 : x
2. Step 2: Convert to fraction form
   89,480.40/134,217.52 = 22,921.10/x
3. Step 3: Cross multiply
   89,480.40x = 134,217.52 × 22,921.10
4. Step 4: Simplify right side
   89,480.40x = 3,076,413,561.87
5. Step 5: Solve for x
   x = 3,076,413,561.87/89,480.40
6. Step 6: Final answer
   x = 34,380.87