Finding the Fourth Proportional to 110,429.20, 165,693 and 57,826.38

Step by Step Solution

1. Step 1: Write the proportion equation
   110,429.20 : 165,693 = 57,826.38 : x
2. Step 2: Convert to fraction form
   110,429.20/165,693 = 57,826.38/x
3. Step 3: Cross multiply
   110,429.20x = 165,693 × 57,826.38
4. Step 4: Simplify right side
   110,429.20x = 9,581,426,381.34
5. Step 5: Solve for x
   x = 9,581,426,381.34/110,429.20
6. Step 6: Final answer
   x = 86,765.33