Finding the Fourth Proportional to 42,002.84, 57,963.48 and 23,139.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,002.84 : 57,963.48 = 23,139.56 : x
2. Step 2: Convert to fraction form
   42,002.84/57,963.48 = 23,139.56/x
3. Step 3: Cross multiply
   42,002.84x = 57,963.48 × 23,139.56
4. Step 4: Simplify right side
   42,002.84x = 1,341,249,423.27
5. Step 5: Solve for x
   x = 1,341,249,423.27/42,002.84
6. Step 6: Final answer
   x = 31,932.35