Finding the Fourth Proportional to 165,002.81, 227,702.54 and 89,551.31

Step by Step Solution

1. Step 1: Write the proportion equation
   165,002.81 : 227,702.54 = 89,551.31 : x
2. Step 2: Convert to fraction form
   165,002.81/227,702.54 = 89,551.31/x
3. Step 3: Cross multiply
   165,002.81x = 227,702.54 × 89,551.31
4. Step 4: Simplify right side
   165,002.81x = 20,391,059,832.69
5. Step 5: Solve for x
   x = 20,391,059,832.69/165,002.81
6. Step 6: Final answer
   x = 123,580.08