Finding the Fourth Proportional to 89,145.16, 133,716.72 and 21,677.59

Step by Step Solution

1. Step 1: Write the proportion equation
   89,145.16 : 133,716.72 = 21,677.59 : x
2. Step 2: Convert to fraction form
   89,145.16/133,716.72 = 21,677.59/x
3. Step 3: Cross multiply
   89,145.16x = 133,716.72 × 21,677.59
4. Step 4: Simplify right side
   89,145.16x = 2,898,656,232.30
5. Step 5: Solve for x
   x = 2,898,656,232.30/89,145.16
6. Step 6: Final answer
   x = 32,516.14