Finding the Fourth Proportional to 42,858.48, 59,139 and 23,995.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,858.48 : 59,139 = 23,995.20 : x
2. Step 2: Convert to fraction form
   42,858.48/59,139 = 23,995.20/x
3. Step 3: Cross multiply
   42,858.48x = 59,139 × 23,995.20
4. Step 4: Simplify right side
   42,858.48x = 1,419,052,132.80
5. Step 5: Solve for x
   x = 1,419,052,132.80/42,858.48
6. Step 6: Final answer
   x = 33,110.18