Finding the Fourth Proportional to 6,091.83, 8,406.63 and 3,440.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,091.83 : 8,406.63 = 3,440.09 : x
2. Step 2: Convert to fraction form
   6,091.83/8,406.63 = 3,440.09/x
3. Step 3: Cross multiply
   6,091.83x = 8,406.63 × 3,440.09
4. Step 4: Simplify right side
   6,091.83x = 28,919,521.76
5. Step 5: Solve for x
   x = 28,919,521.76/6,091.83
6. Step 6: Final answer
   x = 4,747.26