Finding the Fourth Proportional to 42,008.10, 57,972.24 and 23,145.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,008.10 : 57,972.24 = 23,145.22 : x
2. Step 2: Convert to fraction form
   42,008.10/57,972.24 = 23,145.22/x
3. Step 3: Cross multiply
   42,008.10x = 57,972.24 × 23,145.22
4. Step 4: Simplify right side
   42,008.10x = 1,341,780,248.69
5. Step 5: Solve for x
   x = 1,341,780,248.69/42,008.10
6. Step 6: Final answer
   x = 31,940.99