Finding the Fourth Proportional to 8,814.06, 13,216.91 and 5,117.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,814.06 : 13,216.91 = 5,117.42 : x
2. Step 2: Convert to fraction form
   8,814.06/13,216.91 = 5,117.42/x
3. Step 3: Cross multiply
   8,814.06x = 13,216.91 × 5,117.42
4. Step 4: Simplify right side
   8,814.06x = 67,636,479.57
5. Step 5: Solve for x
   x = 67,636,479.57/8,814.06
6. Step 6: Final answer
   x = 7,673.70