Finding the Fourth Proportional to 23,429.10, 32,332.46 and 12,818.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,429.10 : 32,332.46 = 12,818.91 : x
2. Step 2: Convert to fraction form
   23,429.10/32,332.46 = 12,818.91/x
3. Step 3: Cross multiply
   23,429.10x = 32,332.46 × 12,818.91
4. Step 4: Simplify right side
   23,429.10x = 414,466,830.72
5. Step 5: Solve for x
   x = 414,466,830.72/23,429.10
6. Step 6: Final answer
   x = 17,690.26