Finding the Fourth Proportional to 42,138.28, 58,150.23 and 23,017.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,138.28 : 58,150.23 = 23,017.82 : x
2. Step 2: Convert to fraction form
   42,138.28/58,150.23 = 23,017.82/x
3. Step 3: Cross multiply
   42,138.28x = 58,150.23 × 23,017.82
4. Step 4: Simplify right side
   42,138.28x = 1,338,491,477.13
5. Step 5: Solve for x
   x = 1,338,491,477.13/42,138.28
6. Step 6: Final answer
   x = 31,764.27