Finding the Fourth Proportional to 42,003.74, 57,959.88 and 23,142.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,003.74 : 57,959.88 = 23,142.08 : x
2. Step 2: Convert to fraction form
   42,003.74/57,959.88 = 23,142.08/x
3. Step 3: Cross multiply
   42,003.74x = 57,959.88 × 23,142.08
4. Step 4: Simplify right side
   42,003.74x = 1,341,312,179.75
5. Step 5: Solve for x
   x = 1,341,312,179.75/42,003.74
6. Step 6: Final answer
   x = 31,933.16