Finding the Fourth Proportional to 110,769.20, 152,854.77 and 65,436.34

Step by Step Solution

1. Step 1: Write the proportion equation
   110,769.20 : 152,854.77 = 65,436.34 : x
2. Step 2: Convert to fraction form
   110,769.20/152,854.77 = 65,436.34/x
3. Step 3: Cross multiply
   110,769.20x = 152,854.77 × 65,436.34
4. Step 4: Simplify right side
   110,769.20x = 10,002,256,666.15
5. Step 5: Solve for x
   x = 10,002,256,666.15/110,769.20
6. Step 6: Final answer
   x = 90,298.17