Finding the Fourth Proportional to 8,727.94, 13,082.86 and 3,460.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,727.94 : 13,082.86 = 3,460.78 : x
2. Step 2: Convert to fraction form
   8,727.94/13,082.86 = 3,460.78/x
3. Step 3: Cross multiply
   8,727.94x = 13,082.86 × 3,460.78
4. Step 4: Simplify right side
   8,727.94x = 45,276,900.23
5. Step 5: Solve for x
   x = 45,276,900.23/8,727.94
6. Step 6: Final answer
   x = 5,187.58