Finding the Fourth Proportional to 17,838.23, 24,618.18 and 9,881.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,838.23 : 24,618.18 = 9,881.21 : x
2. Step 2: Convert to fraction form
   17,838.23/24,618.18 = 9,881.21/x
3. Step 3: Cross multiply
   17,838.23x = 24,618.18 × 9,881.21
4. Step 4: Simplify right side
   17,838.23x = 243,257,406.40
5. Step 5: Solve for x
   x = 243,257,406.40/17,838.23
6. Step 6: Final answer
   x = 13,636.86