Finding the Fourth Proportional to 42,290.53, 58,358.82 and 23,170.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,290.53 : 58,358.82 = 23,170.37 : x
2. Step 2: Convert to fraction form
   42,290.53/58,358.82 = 23,170.37/x
3. Step 3: Cross multiply
   42,290.53x = 58,358.82 × 23,170.37
4. Step 4: Simplify right side
   42,290.53x = 1,352,195,452.16
5. Step 5: Solve for x
   x = 1,352,195,452.16/42,290.53
6. Step 6: Final answer
   x = 31,973.95