Finding the Fourth Proportional to 6,091.77, 8,406.47 and 3,439.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,091.77 : 8,406.47 = 3,439.43 : x
2. Step 2: Convert to fraction form
   6,091.77/8,406.47 = 3,439.43/x
3. Step 3: Cross multiply
   6,091.77x = 8,406.47 × 3,439.43
4. Step 4: Simplify right side
   6,091.77x = 28,913,405.88
5. Step 5: Solve for x
   x = 28,913,405.88/6,091.77
6. Step 6: Final answer
   x = 4,746.31