Finding the Fourth Proportional to 23,385.79, 32,271.86 and 12,775.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,385.79 : 32,271.86 = 12,775.47 : x
2. Step 2: Convert to fraction form
   23,385.79/32,271.86 = 12,775.47/x
3. Step 3: Cross multiply
   23,385.79x = 32,271.86 × 12,775.47
4. Step 4: Simplify right side
   23,385.79x = 412,288,179.27
5. Step 5: Solve for x
   x = 412,288,179.27/23,385.79
6. Step 6: Final answer
   x = 17,629.86