Finding the Fourth Proportional to 11,144.96, 15,380.01 and 6,109.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,144.96 : 15,380.01 = 6,109.39 : x
2. Step 2: Convert to fraction form
   11,144.96/15,380.01 = 6,109.39/x
3. Step 3: Cross multiply
   11,144.96x = 15,380.01 × 6,109.39
4. Step 4: Simplify right side
   11,144.96x = 93,962,498.52
5. Step 5: Solve for x
   x = 93,962,498.52/11,144.96
6. Step 6: Final answer
   x = 8,430.94