Finding the Fourth Proportional to 17,111.56, 25,680.30 and 8,352.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,111.56 : 25,680.30 = 8,352.04 : x
2. Step 2: Convert to fraction form
   17,111.56/25,680.30 = 8,352.04/x
3. Step 3: Cross multiply
   17,111.56x = 25,680.30 × 8,352.04
4. Step 4: Simplify right side
   17,111.56x = 214,482,892.81
5. Step 5: Solve for x
   x = 214,482,892.81/17,111.56
6. Step 6: Final answer
   x = 12,534.39