Finding the Fourth Proportional to 6,146.27, 8,479.44 and 3,784.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,146.27 : 8,479.44 = 3,784.31 : x
2. Step 2: Convert to fraction form
   6,146.27/8,479.44 = 3,784.31/x
3. Step 3: Cross multiply
   6,146.27x = 8,479.44 × 3,784.31
4. Step 4: Simplify right side
   6,146.27x = 32,088,810.66
5. Step 5: Solve for x
   x = 32,088,810.66/6,146.27
6. Step 6: Final answer
   x = 5,220.86