Finding the Fourth Proportional to 10,089.43, 13,922.94 and 5,613.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,089.43 : 13,922.94 = 5,613.15 : x
2. Step 2: Convert to fraction form
   10,089.43/13,922.94 = 5,613.15/x
3. Step 3: Cross multiply
   10,089.43x = 13,922.94 × 5,613.15
4. Step 4: Simplify right side
   10,089.43x = 78,151,550.66
5. Step 5: Solve for x
   x = 78,151,550.66/10,089.43
6. Step 6: Final answer
   x = 7,745.88