Finding the Fourth Proportional to 16,456.74, 24,627.69 and 13,460.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.74 : 24,627.69 = 13,460.55 : x
2. Step 2: Convert to fraction form
   16,456.74/24,627.69 = 13,460.55/x
3. Step 3: Cross multiply
   16,456.74x = 24,627.69 × 13,460.55
4. Step 4: Simplify right side
   16,456.74x = 331,502,252.63
5. Step 5: Solve for x
   x = 331,502,252.63/16,456.74
6. Step 6: Final answer
   x = 20,143.86