Finding the Fourth Proportional to 5,099.34, 7,643.83 and 3,456.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,099.34 : 7,643.83 = 3,456.05 : x
2. Step 2: Convert to fraction form
   5,099.34/7,643.83 = 3,456.05/x
3. Step 3: Cross multiply
   5,099.34x = 7,643.83 × 3,456.05
4. Step 4: Simplify right side
   5,099.34x = 26,417,458.67
5. Step 5: Solve for x
   x = 26,417,458.67/5,099.34
6. Step 6: Final answer
   x = 5,180.56