Finding the Fourth Proportional to 9,910.52, 13,676.22 and 5,434.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.52 : 13,676.22 = 5,434.20 : x
2. Step 2: Convert to fraction form
   9,910.52/13,676.22 = 5,434.20/x
3. Step 3: Cross multiply
   9,910.52x = 13,676.22 × 5,434.20
4. Step 4: Simplify right side
   9,910.52x = 74,319,314.72
5. Step 5: Solve for x
   x = 74,319,314.72/9,910.52
6. Step 6: Final answer
   x = 7,499.03