Finding the Fourth Proportional to 23,345.86, 32,215.98 and 13,272.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,345.86 : 32,215.98 = 13,272.88 : x
2. Step 2: Convert to fraction form
   23,345.86/32,215.98 = 13,272.88/x
3. Step 3: Cross multiply
   23,345.86x = 32,215.98 × 13,272.88
4. Step 4: Simplify right side
   23,345.86x = 427,598,836.62
5. Step 5: Solve for x
   x = 427,598,836.62/23,345.86
6. Step 6: Final answer
   x = 18,315.83