Finding the Fourth Proportional to 12,844.86, 19,271.17 and 9,103.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,844.86 : 19,271.17 = 9,103.86 : x
2. Step 2: Convert to fraction form
   12,844.86/19,271.17 = 9,103.86/x
3. Step 3: Cross multiply
   12,844.86x = 19,271.17 × 9,103.86
4. Step 4: Simplify right side
   12,844.86x = 175,442,045.10
5. Step 5: Solve for x
   x = 175,442,045.10/12,844.86
6. Step 6: Final answer
   x = 13,658.54