Finding the Fourth Proportional to 23,345.20, 32,216.29 and 12,734.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,345.20 : 32,216.29 = 12,734.74 : x
2. Step 2: Convert to fraction form
   23,345.20/32,216.29 = 12,734.74/x
3. Step 3: Cross multiply
   23,345.20x = 32,216.29 × 12,734.74
4. Step 4: Simplify right side
   23,345.20x = 410,266,076.91
5. Step 5: Solve for x
   x = 410,266,076.91/23,345.20
6. Step 6: Final answer
   x = 17,573.89