Finding the Fourth Proportional to 165,362.73, 228,200.27 and 89,911.05

Step by Step Solution

1. Step 1: Write the proportion equation
   165,362.73 : 228,200.27 = 89,911.05 : x
2. Step 2: Convert to fraction form
   165,362.73/228,200.27 = 89,911.05/x
3. Step 3: Cross multiply
   165,362.73x = 228,200.27 × 89,911.05
4. Step 4: Simplify right side
   165,362.73x = 20,517,725,436.43
5. Step 5: Solve for x
   x = 20,517,725,436.43/165,362.73
6. Step 6: Final answer
   x = 124,077.08