Finding the Fourth Proportional to 7,773.94, 10,728.04 and 4,237.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,773.94 : 10,728.04 = 4,237.15 : x
2. Step 2: Convert to fraction form
   7,773.94/10,728.04 = 4,237.15/x
3. Step 3: Cross multiply
   7,773.94x = 10,728.04 × 4,237.15
4. Step 4: Simplify right side
   7,773.94x = 45,456,314.69
5. Step 5: Solve for x
   x = 45,456,314.69/7,773.94
6. Step 6: Final answer
   x = 5,847.27