Finding the Fourth Proportional to 17,507.20, 24,133.12 and 12,456.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,507.20 : 24,133.12 = 12,456.32 : x
2. Step 2: Convert to fraction form
   17,507.20/24,133.12 = 12,456.32/x
3. Step 3: Cross multiply
   17,507.20x = 24,133.12 × 12,456.32
4. Step 4: Simplify right side
   17,507.20x = 300,609,865.32
5. Step 5: Solve for x
   x = 300,609,865.32/17,507.20
6. Step 6: Final answer
   x = 17,170.64