Finding the Fourth Proportional to 88,143.31, 132,218.03 and 28,983.61

Step by Step Solution

1. Step 1: Write the proportion equation
   88,143.31 : 132,218.03 = 28,983.61 : x
2. Step 2: Convert to fraction form
   88,143.31/132,218.03 = 28,983.61/x
3. Step 3: Cross multiply
   88,143.31x = 132,218.03 × 28,983.61
4. Step 4: Simplify right side
   88,143.31x = 3,832,155,816.49
5. Step 5: Solve for x
   x = 3,832,155,816.49/88,143.31
6. Step 6: Final answer
   x = 43,476.42