Finding the Fourth Proportional to 17,848.31, 24,630.81 and 9,890.67

Step by Step Solution

1. Step 1: Write the proportion equation
   17,848.31 : 24,630.81 = 9,890.67 : x
2. Step 2: Convert to fraction form
   17,848.31/24,630.81 = 9,890.67/x
3. Step 3: Cross multiply
   17,848.31x = 24,630.81 × 9,890.67
4. Step 4: Simplify right side
   17,848.31x = 243,615,176.69
5. Step 5: Solve for x
   x = 243,615,176.69/17,848.31
6. Step 6: Final answer
   x = 13,649.20