Finding the Fourth Proportional to 23,221.48, 32,045.52 and 12,611.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,221.48 : 32,045.52 = 12,611.20 : x
2. Step 2: Convert to fraction form
   23,221.48/32,045.52 = 12,611.20/x
3. Step 3: Cross multiply
   23,221.48x = 32,045.52 × 12,611.20
4. Step 4: Simplify right side
   23,221.48x = 404,132,461.82
5. Step 5: Solve for x
   x = 404,132,461.82/23,221.48
6. Step 6: Final answer
   x = 17,403.39