Finding the Fourth Proportional to 9,277.50, 12,803.76 and 5,086.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,277.50 : 12,803.76 = 5,086.56 : x
2. Step 2: Convert to fraction form
   9,277.50/12,803.76 = 5,086.56/x
3. Step 3: Cross multiply
   9,277.50x = 12,803.76 × 5,086.56
4. Step 4: Simplify right side
   9,277.50x = 65,127,093.47
5. Step 5: Solve for x
   x = 65,127,093.47/9,277.50
6. Step 6: Final answer
   x = 7,019.90