Finding the Fourth Proportional to 23,231.89, 32,060.10 and 12,621.70

Step by Step Solution

1. Step 1: Write the proportion equation
   23,231.89 : 32,060.10 = 12,621.70 : x
2. Step 2: Convert to fraction form
   23,231.89/32,060.10 = 12,621.70/x
3. Step 3: Cross multiply
   23,231.89x = 32,060.10 × 12,621.70
4. Step 4: Simplify right side
   23,231.89x = 404,652,964.17
5. Step 5: Solve for x
   x = 404,652,964.17/23,231.89
6. Step 6: Final answer
   x = 17,418.00