Finding the Fourth Proportional to 17,353.29, 26,061.72 and 15,889.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,353.29 : 26,061.72 = 15,889.37 : x
2. Step 2: Convert to fraction form
   17,353.29/26,061.72 = 15,889.37/x
3. Step 3: Cross multiply
   17,353.29x = 26,061.72 × 15,889.37
4. Step 4: Simplify right side
   17,353.29x = 414,104,181.61
5. Step 5: Solve for x
   x = 414,104,181.61/17,353.29
6. Step 6: Final answer
   x = 23,863.15