Finding the Fourth Proportional to 88,155.23, 132,252.81 and 28,991.42

Step by Step Solution

1. Step 1: Write the proportion equation
   88,155.23 : 132,252.81 = 28,991.42 : x
2. Step 2: Convert to fraction form
   88,155.23/132,252.81 = 28,991.42/x
3. Step 3: Cross multiply
   88,155.23x = 132,252.81 × 28,991.42
4. Step 4: Simplify right side
   88,155.23x = 3,834,196,760.89
5. Step 5: Solve for x
   x = 3,834,196,760.89/88,155.23
6. Step 6: Final answer
   x = 43,493.70