Finding the Fourth Proportional to 9,625.98, 13,284.12 and 5,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,625.98 : 13,284.12 = 5,434.50 : x
2. Step 2: Convert to fraction form
   9,625.98/13,284.12 = 5,434.50/x
3. Step 3: Cross multiply
   9,625.98x = 13,284.12 × 5,434.50
4. Step 4: Simplify right side
   9,625.98x = 72,192,550.14
5. Step 5: Solve for x
   x = 72,192,550.14/9,625.98
6. Step 6: Final answer
   x = 7,499.76