Finding the Fourth Proportional to 42,013.63, 57,980.04 and 23,151.97

Step by Step Solution

1. Step 1: Write the proportion equation
   42,013.63 : 57,980.04 = 23,151.97 : x
2. Step 2: Convert to fraction form
   42,013.63/57,980.04 = 23,151.97/x
3. Step 3: Cross multiply
   42,013.63x = 57,980.04 × 23,151.97
4. Step 4: Simplify right side
   42,013.63x = 1,342,351,856.78
5. Step 5: Solve for x
   x = 1,342,351,856.78/42,013.63
6. Step 6: Final answer
   x = 31,950.39