Finding the Fourth Proportional to 5,561.61, 7,674.87 and 3,436.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,561.61 : 7,674.87 = 3,436.29 : x
2. Step 2: Convert to fraction form
   5,561.61/7,674.87 = 3,436.29/x
3. Step 3: Cross multiply
   5,561.61x = 7,674.87 × 3,436.29
4. Step 4: Simplify right side
   5,561.61x = 26,373,079.03
5. Step 5: Solve for x
   x = 26,373,079.03/5,561.61
6. Step 6: Final answer
   x = 4,741.99