Finding the Fourth Proportional to 23,417.12, 32,309.52 and 13,988

Step by Step Solution

1. Step 1: Write the proportion equation
   23,417.12 : 32,309.52 = 13,988 : x
2. Step 2: Convert to fraction form
   23,417.12/32,309.52 = 13,988/x
3. Step 3: Cross multiply
   23,417.12x = 32,309.52 × 13,988
4. Step 4: Simplify right side
   23,417.12x = 451,945,565.76
5. Step 5: Solve for x
   x = 451,945,565.76/23,417.12
6. Step 6: Final answer
   x = 19,299.79