Finding the Fourth Proportional to 11,416.30, 17,112.54 and 4,394.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,416.30 : 17,112.54 = 4,394.38 : x
2. Step 2: Convert to fraction form
   11,416.30/17,112.54 = 4,394.38/x
3. Step 3: Cross multiply
   11,416.30x = 17,112.54 × 4,394.38
4. Step 4: Simplify right side
   11,416.30x = 75,199,003.53
5. Step 5: Solve for x
   x = 75,199,003.53/11,416.30
6. Step 6: Final answer
   x = 6,586.99