Finding the Fourth Proportional to 6,146.10, 8,479.20 and 3,784.14

Step by Step Solution

1. Step 1: Write the proportion equation
   6,146.10 : 8,479.20 = 3,784.14 : x
2. Step 2: Convert to fraction form
   6,146.10/8,479.20 = 3,784.14/x
3. Step 3: Cross multiply
   6,146.10x = 8,479.20 × 3,784.14
4. Step 4: Simplify right side
   6,146.10x = 32,086,479.89
5. Step 5: Solve for x
   x = 32,086,479.89/6,146.10
6. Step 6: Final answer
   x = 5,220.62