Finding the Fourth Proportional to 89,760.96, 134,645.76 and 27,432

Step by Step Solution

1. Step 1: Write the proportion equation
   89,760.96 : 134,645.76 = 27,432 : x
2. Step 2: Convert to fraction form
   89,760.96/134,645.76 = 27,432/x
3. Step 3: Cross multiply
   89,760.96x = 134,645.76 × 27,432
4. Step 4: Simplify right side
   89,760.96x = 3,693,602,488.32
5. Step 5: Solve for x
   x = 3,693,602,488.32/89,760.96
6. Step 6: Final answer
   x = 41,149.32