Finding the Fourth Proportional to 23,221.71, 32,046.20 and 12,611.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,221.71 : 32,046.20 = 12,611.55 : x
2. Step 2: Convert to fraction form
   23,221.71/32,046.20 = 12,611.55/x
3. Step 3: Cross multiply
   23,221.71x = 32,046.20 × 12,611.55
4. Step 4: Simplify right side
   23,221.71x = 404,152,190.55
5. Step 5: Solve for x
   x = 404,152,190.55/23,221.71
6. Step 6: Final answer
   x = 17,404.07