Finding the Fourth Proportional to 6,090.54, 8,406.57 and 3,439.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,090.54 : 8,406.57 = 3,439.50 : x
2. Step 2: Convert to fraction form
   6,090.54/8,406.57 = 3,439.50/x
3. Step 3: Cross multiply
   6,090.54x = 8,406.57 × 3,439.50
4. Step 4: Simplify right side
   6,090.54x = 28,914,397.52
5. Step 5: Solve for x
   x = 28,914,397.52/6,090.54
6. Step 6: Final answer
   x = 4,747.43