Finding the Fourth Proportional to 5,870.86, 8,099.71 and 3,351.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.86 : 8,099.71 = 3,351.15 : x
2. Step 2: Convert to fraction form
   5,870.86/8,099.71 = 3,351.15/x
3. Step 3: Cross multiply
   5,870.86x = 8,099.71 × 3,351.15
4. Step 4: Simplify right side
   5,870.86x = 27,143,334.79
5. Step 5: Solve for x
   x = 27,143,334.79/5,870.86
6. Step 6: Final answer
   x = 4,623.40