Finding the Fourth Proportional to 42,018.75, 57,989.52 and 23,159.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,018.75 : 57,989.52 = 23,159.52 : x
2. Step 2: Convert to fraction form
   42,018.75/57,989.52 = 23,159.52/x
3. Step 3: Cross multiply
   42,018.75x = 57,989.52 × 23,159.52
4. Step 4: Simplify right side
   42,018.75x = 1,343,009,448.23
5. Step 5: Solve for x
   x = 1,343,009,448.23/42,018.75
6. Step 6: Final answer
   x = 31,962.15