Finding the Fourth Proportional to 5,627.98, 8,437.68 and 3,406.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,627.98 : 8,437.68 = 3,406.34 : x
2. Step 2: Convert to fraction form
   5,627.98/8,437.68 = 3,406.34/x
3. Step 3: Cross multiply
   5,627.98x = 8,437.68 × 3,406.34
4. Step 4: Simplify right side
   5,627.98x = 28,741,606.89
5. Step 5: Solve for x
   x = 28,741,606.89/5,627.98
6. Step 6: Final answer
   x = 5,106.91