Finding the Fourth Proportional to 9,626.77, 13,286.06 and 5,434.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,626.77 : 13,286.06 = 5,434.75 : x
2. Step 2: Convert to fraction form
   9,626.77/13,286.06 = 5,434.75/x
3. Step 3: Cross multiply
   9,626.77x = 13,286.06 × 5,434.75
4. Step 4: Simplify right side
   9,626.77x = 72,206,414.59
5. Step 5: Solve for x
   x = 72,206,414.59/9,626.77
6. Step 6: Final answer
   x = 7,500.59