Finding the Fourth Proportional to 5,456.81, 7,524.43 and 3,685.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.81 : 7,524.43 = 3,685.34 : x
2. Step 2: Convert to fraction form
   5,456.81/7,524.43 = 3,685.34/x
3. Step 3: Cross multiply
   5,456.81x = 7,524.43 × 3,685.34
4. Step 4: Simplify right side
   5,456.81x = 27,730,082.86
5. Step 5: Solve for x
   x = 27,730,082.86/5,456.81
6. Step 6: Final answer
   x = 5,081.74