Finding the Fourth Proportional to 5,446.61, 7,516.49 and 3,856.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,446.61 : 7,516.49 = 3,856.10 : x
2. Step 2: Convert to fraction form
   5,446.61/7,516.49 = 3,856.10/x
3. Step 3: Cross multiply
   5,446.61x = 7,516.49 × 3,856.10
4. Step 4: Simplify right side
   5,446.61x = 28,984,280.23
5. Step 5: Solve for x
   x = 28,984,280.23/5,446.61
6. Step 6: Final answer
   x = 5,321.53