Finding the Fourth Proportional to 89,129.50, 133,689.89 and 22,570.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89,129.50 : 133,689.89 = 22,570.79 : x
2. Step 2: Convert to fraction form
   89,129.50/133,689.89 = 22,570.79/x
3. Step 3: Cross multiply
   89,129.50x = 133,689.89 × 22,570.79
4. Step 4: Simplify right side
   89,129.50x = 3,017,485,820.29
5. Step 5: Solve for x
   x = 3,017,485,820.29/89,129.50
6. Step 6: Final answer
   x = 33,855.07