Finding the Fourth Proportional to 89,229.89, 133,843.66 and 21,762.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,229.89 : 133,843.66 = 21,762.25 : x
2. Step 2: Convert to fraction form
   89,229.89/133,843.66 = 21,762.25/x
3. Step 3: Cross multiply
   89,229.89x = 133,843.66 × 21,762.25
4. Step 4: Simplify right side
   89,229.89x = 2,912,738,800.82
5. Step 5: Solve for x
   x = 2,912,738,800.82/89,229.89
6. Step 6: Final answer
   x = 32,643.08