Finding the Fourth Proportional to 42,855.48, 59,139.91 and 23,993.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,855.48 : 59,139.91 = 23,993.28 : x
2. Step 2: Convert to fraction form
   42,855.48/59,139.91 = 23,993.28/x
3. Step 3: Cross multiply
   42,855.48x = 59,139.91 × 23,993.28
4. Step 4: Simplify right side
   42,855.48x = 1,418,960,419.80
5. Step 5: Solve for x
   x = 1,418,960,419.80/42,855.48
6. Step 6: Final answer
   x = 33,110.36