Finding the Fourth Proportional to 57,321.61, 79,142.37 and 43,868.83

Step by Step Solution

1. Step 1: Write the proportion equation
   57,321.61 : 79,142.37 = 43,868.83 : x
2. Step 2: Convert to fraction form
   57,321.61/79,142.37 = 43,868.83/x
3. Step 3: Cross multiply
   57,321.61x = 79,142.37 × 43,868.83
4. Step 4: Simplify right side
   57,321.61x = 3,471,883,175.33
5. Step 5: Solve for x
   x = 3,471,883,175.33/57,321.61
6. Step 6: Final answer
   x = 60,568.49