Finding the Fourth Proportional to 9,910.53, 13,676.72 and 5,434.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.53 : 13,676.72 = 5,434.24 : x
2. Step 2: Convert to fraction form
   9,910.53/13,676.72 = 5,434.24/x
3. Step 3: Cross multiply
   9,910.53x = 13,676.72 × 5,434.24
4. Step 4: Simplify right side
   9,910.53x = 74,322,589.03
5. Step 5: Solve for x
   x = 74,322,589.03/9,910.53
6. Step 6: Final answer
   x = 7,499.36