Finding the Fourth Proportional to 123,899.96, 185,821.92 and 57,303.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,899.96 : 185,821.92 = 57,303.54 : x
2. Step 2: Convert to fraction form
   123,899.96/185,821.92 = 57,303.54/x
3. Step 3: Cross multiply
   123,899.96x = 185,821.92 × 57,303.54
4. Step 4: Simplify right side
   123,899.96x = 10,648,253,825.60
5. Step 5: Solve for x
   x = 10,648,253,825.60/123,899.96
6. Step 6: Final answer
   x = 85,942.35