Finding the Fourth Proportional to 17,706.78, 24,435 and 9,748.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,706.78 : 24,435 = 9,748.80 : x
2. Step 2: Convert to fraction form
   17,706.78/24,435 = 9,748.80/x
3. Step 3: Cross multiply
   17,706.78x = 24,435 × 9,748.80
4. Step 4: Simplify right side
   17,706.78x = 238,211,928.00
5. Step 5: Solve for x
   x = 238,211,928.00/17,706.78
6. Step 6: Final answer
   x = 13,453.15