Finding the Fourth Proportional to 88,083, 132,138.27 and 28,905.21

Step by Step Solution

1. Step 1: Write the proportion equation
   88,083 : 132,138.27 = 28,905.21 : x
2. Step 2: Convert to fraction form
   88,083/132,138.27 = 28,905.21/x
3. Step 3: Cross multiply
   88,083x = 132,138.27 × 28,905.21
4. Step 4: Simplify right side
   88,083x = 3,819,484,443.39
5. Step 5: Solve for x
   x = 3,819,484,443.39/88,083
6. Step 6: Final answer
   x = 43,362.33