Finding the Fourth Proportional to 9,277.37, 12,802.76 and 5,028.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,277.37 : 12,802.76 = 5,028.55 : x
2. Step 2: Convert to fraction form
   9,277.37/12,802.76 = 5,028.55/x
3. Step 3: Cross multiply
   9,277.37x = 12,802.76 × 5,028.55
4. Step 4: Simplify right side
   9,277.37x = 64,379,280.51
5. Step 5: Solve for x
   x = 64,379,280.51/9,277.37
6. Step 6: Final answer
   x = 6,939.39