Finding the Fourth Proportional to 5,606.55, 8,398.89 and 3,409.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,606.55 : 8,398.89 = 3,409.83 : x
2. Step 2: Convert to fraction form
   5,606.55/8,398.89 = 3,409.83/x
3. Step 3: Cross multiply
   5,606.55x = 8,398.89 × 3,409.83
4. Step 4: Simplify right side
   5,606.55x = 28,638,787.09
5. Step 5: Solve for x
   x = 28,638,787.09/5,606.55
6. Step 6: Final answer
   x = 5,108.09