Finding the Fourth Proportional to 42,013.16, 57,980.74 and 23,150.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,013.16 : 57,980.74 = 23,150.28 : x
2. Step 2: Convert to fraction form
   42,013.16/57,980.74 = 23,150.28/x
3. Step 3: Cross multiply
   42,013.16x = 57,980.74 × 23,150.28
4. Step 4: Simplify right side
   42,013.16x = 1,342,270,365.61
5. Step 5: Solve for x
   x = 1,342,270,365.61/42,013.16
6. Step 6: Final answer
   x = 31,948.81