Finding the Fourth Proportional to 9,255.95, 12,773.55 and 5,277.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,255.95 : 12,773.55 = 5,277.02 : x
2. Step 2: Convert to fraction form
   9,255.95/12,773.55 = 5,277.02/x
3. Step 3: Cross multiply
   9,255.95x = 12,773.55 × 5,277.02
4. Step 4: Simplify right side
   9,255.95x = 67,406,278.82
5. Step 5: Solve for x
   x = 67,406,278.82/9,255.95
6. Step 6: Final answer
   x = 7,282.48