Finding the Fourth Proportional to 12,404.91, 18,587.91 and 10,548.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.91 : 18,587.91 = 10,548.39 : x
2. Step 2: Convert to fraction form
   12,404.91/18,587.91 = 10,548.39/x
3. Step 3: Cross multiply
   12,404.91x = 18,587.91 × 10,548.39
4. Step 4: Simplify right side
   12,404.91x = 196,072,523.96
5. Step 5: Solve for x
   x = 196,072,523.96/12,404.91
6. Step 6: Final answer
   x = 15,806.04