Finding the Fourth Proportional to 89,144.16, 133,715.22 and 21,676.59

Step by Step Solution

1. Step 1: Write the proportion equation
   89,144.16 : 133,715.22 = 21,676.59 : x
2. Step 2: Convert to fraction form
   89,144.16/133,715.22 = 21,676.59/x
3. Step 3: Cross multiply
   89,144.16x = 133,715.22 × 21,676.59
4. Step 4: Simplify right side
   89,144.16x = 2,898,490,000.70
5. Step 5: Solve for x
   x = 2,898,490,000.70/89,144.16
6. Step 6: Final answer
   x = 32,514.64