Finding the Fourth Proportional to 9,253.98, 12,770.37 and 5,275.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,253.98 : 12,770.37 = 5,275.16 : x
2. Step 2: Convert to fraction form
   9,253.98/12,770.37 = 5,275.16/x
3. Step 3: Cross multiply
   9,253.98x = 12,770.37 × 5,275.16
4. Step 4: Simplify right side
   9,253.98x = 67,365,729.05
5. Step 5: Solve for x
   x = 67,365,729.05/9,253.98
6. Step 6: Final answer
   x = 7,279.65