Finding the Fourth Proportional to 165,010.50, 227,715.10 and 89,559

Step by Step Solution

1. Step 1: Write the proportion equation
   165,010.50 : 227,715.10 = 89,559 : x
2. Step 2: Convert to fraction form
   165,010.50/227,715.10 = 89,559/x
3. Step 3: Cross multiply
   165,010.50x = 227,715.10 × 89,559
4. Step 4: Simplify right side
   165,010.50x = 20,393,936,417.00
5. Step 5: Solve for x
   x = 20,393,936,417.00/165,010.50
6. Step 6: Final answer
   x = 123,591.75