Finding the Fourth Proportional to 5,808.40, 8,018.91 and 3,824.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,808.40 : 8,018.91 = 3,824.72 : x
2. Step 2: Convert to fraction form
   5,808.40/8,018.91 = 3,824.72/x
3. Step 3: Cross multiply
   5,808.40x = 8,018.91 × 3,824.72
4. Step 4: Simplify right side
   5,808.40x = 30,670,066.33
5. Step 5: Solve for x
   x = 30,670,066.33/5,808.40
6. Step 6: Final answer
   x = 5,280.30