Finding the Fourth Proportional to 9,275.50, 12,800.05 and 5,296.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,275.50 : 12,800.05 = 5,296.38 : x
2. Step 2: Convert to fraction form
   9,275.50/12,800.05 = 5,296.38/x
3. Step 3: Cross multiply
   9,275.50x = 12,800.05 × 5,296.38
4. Step 4: Simplify right side
   9,275.50x = 67,793,928.82
5. Step 5: Solve for x
   x = 67,793,928.82/9,275.50
6. Step 6: Final answer
   x = 7,308.92