Finding the Fourth Proportional to 23,434.47, 32,340.39 and 12,824.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,434.47 : 32,340.39 = 12,824.10 : x
2. Step 2: Convert to fraction form
   23,434.47/32,340.39 = 12,824.10/x
3. Step 3: Cross multiply
   23,434.47x = 32,340.39 × 12,824.10
4. Step 4: Simplify right side
   23,434.47x = 414,736,395.40
5. Step 5: Solve for x
   x = 414,736,395.40/23,434.47
6. Step 6: Final answer
   x = 17,697.71