Finding the Fourth Proportional to 42,012.66, 57,967.47 and 23,859.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,012.66 : 57,967.47 = 23,859.39 : x
2. Step 2: Convert to fraction form
   42,012.66/57,967.47 = 23,859.39/x
3. Step 3: Cross multiply
   42,012.66x = 57,967.47 × 23,859.39
4. Step 4: Simplify right side
   42,012.66x = 1,383,068,474.04
5. Step 5: Solve for x
   x = 1,383,068,474.04/42,012.66
6. Step 6: Final answer
   x = 32,920.28