Finding the Fourth Proportional to 9,910.27, 13,676.58 and 5,434.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.27 : 13,676.58 = 5,434.19 : x
2. Step 2: Convert to fraction form
   9,910.27/13,676.58 = 5,434.19/x
3. Step 3: Cross multiply
   9,910.27x = 13,676.58 × 5,434.19
4. Step 4: Simplify right side
   9,910.27x = 74,321,117.17
5. Step 5: Solve for x
   x = 74,321,117.17/9,910.27
6. Step 6: Final answer
   x = 7,499.41