Finding the Fourth Proportional to 42,017.68, 57,982.26 and 23,151.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017.68 : 57,982.26 = 23,151.16 : x
2. Step 2: Convert to fraction form
   42,017.68/57,982.26 = 23,151.16/x
3. Step 3: Cross multiply
   42,017.68x = 57,982.26 × 23,151.16
4. Step 4: Simplify right side
   42,017.68x = 1,342,356,578.42
5. Step 5: Solve for x
   x = 1,342,356,578.42/42,017.68
6. Step 6: Final answer
   x = 31,947.42