Finding the Fourth Proportional to 17,061.20, 25,606.20 and 8,303.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,061.20 : 25,606.20 = 8,303.60 : x
2. Step 2: Convert to fraction form
   17,061.20/25,606.20 = 8,303.60/x
3. Step 3: Cross multiply
   17,061.20x = 25,606.20 × 8,303.60
4. Step 4: Simplify right side
   17,061.20x = 212,623,642.32
5. Step 5: Solve for x
   x = 212,623,642.32/17,061.20
6. Step 6: Final answer
   x = 12,462.41