Finding the Fourth Proportional to 42,001.94, 57,962.82 and 23,139.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,001.94 : 57,962.82 = 23,139.02 : x
2. Step 2: Convert to fraction form
   42,001.94/57,962.82 = 23,139.02/x
3. Step 3: Cross multiply
   42,001.94x = 57,962.82 × 23,139.02
4. Step 4: Simplify right side
   42,001.94x = 1,341,202,851.24
5. Step 5: Solve for x
   x = 1,341,202,851.24/42,001.94
6. Step 6: Final answer
   x = 31,931.93