Finding the Fourth Proportional to 17,371.53, 23,971.28 and 9,818.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,371.53 : 23,971.28 = 9,818.55 : x
2. Step 2: Convert to fraction form
   17,371.53/23,971.28 = 9,818.55/x
3. Step 3: Cross multiply
   17,371.53x = 23,971.28 × 9,818.55
4. Step 4: Simplify right side
   17,371.53x = 235,363,162.15
5. Step 5: Solve for x
   x = 235,363,162.15/17,371.53
6. Step 6: Final answer
   x = 13,548.79