Finding the Fourth Proportional to 165,269.98, 228,066.15 and 89,816.86

Step by Step Solution

1. Step 1: Write the proportion equation
   165,269.98 : 228,066.15 = 89,816.86 : x
2. Step 2: Convert to fraction form
   165,269.98/228,066.15 = 89,816.86/x
3. Step 3: Cross multiply
   165,269.98x = 228,066.15 × 89,816.86
4. Step 4: Simplify right side
   165,269.98x = 20,484,185,465.29
5. Step 5: Solve for x
   x = 20,484,185,465.29/165,269.98
6. Step 6: Final answer
   x = 123,943.78