Finding the Fourth Proportional to 88,142.31, 132,216.53 and 28,982.61

Step by Step Solution

1. Step 1: Write the proportion equation
   88,142.31 : 132,216.53 = 28,982.61 : x
2. Step 2: Convert to fraction form
   88,142.31/132,216.53 = 28,982.61/x
3. Step 3: Cross multiply
   88,142.31x = 132,216.53 × 28,982.61
4. Step 4: Simplify right side
   88,142.31x = 3,831,979,979.63
5. Step 5: Solve for x
   x = 3,831,979,979.63/88,142.31
6. Step 6: Final answer
   x = 43,474.92