Finding the Fourth Proportional to 9,910.43, 13,676.52 and 5,434.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.43 : 13,676.52 = 5,434.17 : x
2. Step 2: Convert to fraction form
   9,910.43/13,676.52 = 5,434.17/x
3. Step 3: Cross multiply
   9,910.43x = 13,676.52 × 5,434.17
4. Step 4: Simplify right side
   9,910.43x = 74,320,452.72
5. Step 5: Solve for x
   x = 74,320,452.72/9,910.43
6. Step 6: Final answer
   x = 7,499.22