Finding the Fourth Proportional to 6,092.28, 8,406.72 and 3,439.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,092.28 : 8,406.72 = 3,439.80 : x
2. Step 2: Convert to fraction form
   6,092.28/8,406.72 = 3,439.80/x
3. Step 3: Cross multiply
   6,092.28x = 8,406.72 × 3,439.80
4. Step 4: Simplify right side
   6,092.28x = 28,917,435.46
5. Step 5: Solve for x
   x = 28,917,435.46/6,092.28
6. Step 6: Final answer
   x = 4,746.57