Finding the Fourth Proportional to 23,633.48, 32,613.80 and 12,878.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,633.48 : 32,613.80 = 12,878.48 : x
2. Step 2: Convert to fraction form
   23,633.48/32,613.80 = 12,878.48/x
3. Step 3: Cross multiply
   23,633.48x = 32,613.80 × 12,878.48
4. Step 4: Simplify right side
   23,633.48x = 420,016,171.02
5. Step 5: Solve for x
   x = 420,016,171.02/23,633.48
6. Step 6: Final answer
   x = 17,772.08