Finding the Fourth Proportional to 13,103.17, 19,654.71 and 5,311.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.17 : 19,654.71 = 5,311.96 : x
2. Step 2: Convert to fraction form
   13,103.17/19,654.71 = 5,311.96/x
3. Step 3: Cross multiply
   13,103.17x = 19,654.71 × 5,311.96
4. Step 4: Simplify right side
   13,103.17x = 104,405,033.33
5. Step 5: Solve for x
   x = 104,405,033.33/13,103.17
6. Step 6: Final answer
   x = 7,967.92