Finding the Fourth Proportional to 42,139.14, 58,150.63 and 23,988.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139.14 : 58,150.63 = 23,988.75 : x
2. Step 2: Convert to fraction form
   42,139.14/58,150.63 = 23,988.75/x
3. Step 3: Cross multiply
   42,139.14x = 58,150.63 × 23,988.75
4. Step 4: Simplify right side
   42,139.14x = 1,394,960,925.41
5. Step 5: Solve for x
   x = 1,394,960,925.41/42,139.14
6. Step 6: Final answer
   x = 33,103.69