Finding the Fourth Proportional to 23,288.96, 32,133.30 and 13,215.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,288.96 : 32,133.30 = 13,215.12 : x
2. Step 2: Convert to fraction form
   23,288.96/32,133.30 = 13,215.12/x
3. Step 3: Cross multiply
   23,288.96x = 32,133.30 × 13,215.12
4. Step 4: Simplify right side
   23,288.96x = 424,645,415.50
5. Step 5: Solve for x
   x = 424,645,415.50/23,288.96
6. Step 6: Final answer
   x = 18,233.76