Finding the Fourth Proportional to 9,626.50, 13,284.57 and 5,434.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,626.50 : 13,284.57 = 5,434.75 : x
2. Step 2: Convert to fraction form
   9,626.50/13,284.57 = 5,434.75/x
3. Step 3: Cross multiply
   9,626.50x = 13,284.57 × 5,434.75
4. Step 4: Simplify right side
   9,626.50x = 72,198,316.81
5. Step 5: Solve for x
   x = 72,198,316.81/9,626.50
6. Step 6: Final answer
   x = 7,499.96