Finding the Fourth Proportional to 165,200.50, 227,976.69 and 89,749

Step by Step Solution

1. Step 1: Write the proportion equation
   165,200.50 : 227,976.69 = 89,749 : x
2. Step 2: Convert to fraction form
   165,200.50/227,976.69 = 89,749/x
3. Step 3: Cross multiply
   165,200.50x = 227,976.69 × 89,749
4. Step 4: Simplify right side
   165,200.50x = 20,460,679,950.81
5. Step 5: Solve for x
   x = 20,460,679,950.81/165,200.50
6. Step 6: Final answer
   x = 123,853.62