Finding the Fourth Proportional to 42,008.97, 57,969.70 and 23,146.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,008.97 : 57,969.70 = 23,146.09 : x
2. Step 2: Convert to fraction form
   42,008.97/57,969.70 = 23,146.09/x
3. Step 3: Cross multiply
   42,008.97x = 57,969.70 × 23,146.09
4. Step 4: Simplify right side
   42,008.97x = 1,341,771,893.47
5. Step 5: Solve for x
   x = 1,341,771,893.47/42,008.97
6. Step 6: Final answer
   x = 31,940.13