Finding the Fourth Proportional to 17,443.60, 24,071.66 and 9,890.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,443.60 : 24,071.66 = 9,890.63 : x
2. Step 2: Convert to fraction form
   17,443.60/24,071.66 = 9,890.63/x
3. Step 3: Cross multiply
   17,443.60x = 24,071.66 × 9,890.63
4. Step 4: Simplify right side
   17,443.60x = 238,083,882.55
5. Step 5: Solve for x
   x = 238,083,882.55/17,443.60
6. Step 6: Final answer
   x = 13,648.78