Finding the Fourth Proportional to 23,238.91, 32,068.84 and 12,628.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,238.91 : 32,068.84 = 12,628.31 : x
2. Step 2: Convert to fraction form
   23,238.91/32,068.84 = 12,628.31/x
3. Step 3: Cross multiply
   23,238.91x = 32,068.84 × 12,628.31
4. Step 4: Simplify right side
   23,238.91x = 404,975,252.86
5. Step 5: Solve for x
   x = 404,975,252.86/23,238.91
6. Step 6: Final answer
   x = 17,426.60