Finding the Fourth Proportional to 16,926.16, 23,370.42 and 13,587.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,926.16 : 23,370.42 = 13,587.34 : x
2. Step 2: Convert to fraction form
   16,926.16/23,370.42 = 13,587.34/x
3. Step 3: Cross multiply
   16,926.16x = 23,370.42 × 13,587.34
4. Step 4: Simplify right side
   16,926.16x = 317,541,842.48
5. Step 5: Solve for x
   x = 317,541,842.48/16,926.16
6. Step 6: Final answer
   x = 18,760.42