Finding the Fourth Proportional to 5,210.94, 7,808.82 and 3,956.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,210.94 : 7,808.82 = 3,956.16 : x
2. Step 2: Convert to fraction form
   5,210.94/7,808.82 = 3,956.16/x
3. Step 3: Cross multiply
   5,210.94x = 7,808.82 × 3,956.16
4. Step 4: Simplify right side
   5,210.94x = 30,892,941.33
5. Step 5: Solve for x
   x = 30,892,941.33/5,210.94
6. Step 6: Final answer
   x = 5,928.48