Finding the Fourth Proportional to 12,404.34, 18,615.69 and 6,862.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.34 : 18,615.69 = 6,862.41 : x
2. Step 2: Convert to fraction form
   12,404.34/18,615.69 = 6,862.41/x
3. Step 3: Cross multiply
   12,404.34x = 18,615.69 × 6,862.41
4. Step 4: Simplify right side
   12,404.34x = 127,748,497.21
5. Step 5: Solve for x
   x = 127,748,497.21/12,404.34
6. Step 6: Final answer
   x = 10,298.69