Finding the Fourth Proportional to 88,145.01, 132,236.96 and 28,978.16

Step by Step Solution

1. Step 1: Write the proportion equation
   88,145.01 : 132,236.96 = 28,978.16 : x
2. Step 2: Convert to fraction form
   88,145.01/132,236.96 = 28,978.16/x
3. Step 3: Cross multiply
   88,145.01x = 132,236.96 × 28,978.16
4. Step 4: Simplify right side
   88,145.01x = 3,831,982,978.72
5. Step 5: Solve for x
   x = 3,831,982,978.72/88,145.01
6. Step 6: Final answer
   x = 43,473.62