Finding the Fourth Proportional to 23,002.72, 31,758.28 and 15,058.38

Step by Step Solution

1. Step 1: Write the proportion equation
   23,002.72 : 31,758.28 = 15,058.38 : x
2. Step 2: Convert to fraction form
   23,002.72/31,758.28 = 15,058.38/x
3. Step 3: Cross multiply
   23,002.72x = 31,758.28 × 15,058.38
4. Step 4: Simplify right side
   23,002.72x = 478,228,248.39
5. Step 5: Solve for x
   x = 478,228,248.39/23,002.72
6. Step 6: Final answer
   x = 20,790.07