Finding the Fourth Proportional to 17,664.32, 24,376.28 and 9,706.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,664.32 : 24,376.28 = 9,706.55 : x
2. Step 2: Convert to fraction form
   17,664.32/24,376.28 = 9,706.55/x
3. Step 3: Cross multiply
   17,664.32x = 24,376.28 × 9,706.55
4. Step 4: Simplify right side
   17,664.32x = 236,609,410.22
5. Step 5: Solve for x
   x = 236,609,410.22/17,664.32
6. Step 6: Final answer
   x = 13,394.76