Finding the Fourth Proportional to 17,678.79, 24,396.81 and 9,612.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,678.79 : 24,396.81 = 9,612.53 : x
2. Step 2: Convert to fraction form
   17,678.79/24,396.81 = 9,612.53/x
3. Step 3: Cross multiply
   17,678.79x = 24,396.81 × 9,612.53
4. Step 4: Simplify right side
   17,678.79x = 234,515,068.03
5. Step 5: Solve for x
   x = 234,515,068.03/17,678.79
6. Step 6: Final answer
   x = 13,265.33