Finding the Fourth Proportional to 9,910.16, 13,676.02 and 5,433.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.16 : 13,676.02 = 5,433.99 : x
2. Step 2: Convert to fraction form
   9,910.16/13,676.02 = 5,433.99/x
3. Step 3: Cross multiply
   9,910.16x = 13,676.02 × 5,433.99
4. Step 4: Simplify right side
   9,910.16x = 74,315,291.05
5. Step 5: Solve for x
   x = 74,315,291.05/9,910.16
6. Step 6: Final answer
   x = 7,498.90