Finding the Fourth Proportional to 89,669.33, 134,472.56 and 26,472.59

Step by Step Solution

1. Step 1: Write the proportion equation
   89,669.33 : 134,472.56 = 26,472.59 : x
2. Step 2: Convert to fraction form
   89,669.33/134,472.56 = 26,472.59/x
3. Step 3: Cross multiply
   89,669.33x = 134,472.56 × 26,472.59
4. Step 4: Simplify right side
   89,669.33x = 3,559,836,142.40
5. Step 5: Solve for x
   x = 3,559,836,142.40/89,669.33
6. Step 6: Final answer
   x = 39,699.60