Finding the Fourth Proportional to 165,276.16, 228,082.56 and 89,824.72

Step by Step Solution

1. Step 1: Write the proportion equation
   165,276.16 : 228,082.56 = 89,824.72 : x
2. Step 2: Convert to fraction form
   165,276.16/228,082.56 = 89,824.72/x
3. Step 3: Cross multiply
   165,276.16x = 228,082.56 × 89,824.72
4. Step 4: Simplify right side
   165,276.16x = 20,487,452,088.88
5. Step 5: Solve for x
   x = 20,487,452,088.88/165,276.16
6. Step 6: Final answer
   x = 123,958.91