Finding the Fourth Proportional to 42,013, 57,979.16 and 23,151.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,013 : 57,979.16 = 23,151.34 : x
2. Step 2: Convert to fraction form
   42,013/57,979.16 = 23,151.34/x
3. Step 3: Cross multiply
   42,013x = 57,979.16 × 23,151.34
4. Step 4: Simplify right side
   42,013x = 1,342,295,246.07
5. Step 5: Solve for x
   x = 1,342,295,246.07/42,013
6. Step 6: Final answer
   x = 31,949.52