Finding the Fourth Proportional to 17,386.52, 23,993.41 and 9,428.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,386.52 : 23,993.41 = 9,428.72 : x
2. Step 2: Convert to fraction form
   17,386.52/23,993.41 = 9,428.72/x
3. Step 3: Cross multiply
   17,386.52x = 23,993.41 × 9,428.72
4. Step 4: Simplify right side
   17,386.52x = 226,227,001.20
5. Step 5: Solve for x
   x = 226,227,001.20/17,386.52
6. Step 6: Final answer
   x = 13,011.63