Finding the Fourth Proportional to 23,807.48, 32,856.24 and 13,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,807.48 : 32,856.24 = 13,200.50 : x
2. Step 2: Convert to fraction form
   23,807.48/32,856.24 = 13,200.50/x
3. Step 3: Cross multiply
   23,807.48x = 32,856.24 × 13,200.50
4. Step 4: Simplify right side
   23,807.48x = 433,718,796.12
5. Step 5: Solve for x
   x = 433,718,796.12/23,807.48
6. Step 6: Final answer
   x = 18,217.75