Finding the Fourth Proportional to 5,909.05, 8,154.56 and 3,916.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,909.05 : 8,154.56 = 3,916.04 : x
2. Step 2: Convert to fraction form
   5,909.05/8,154.56 = 3,916.04/x
3. Step 3: Cross multiply
   5,909.05x = 8,154.56 × 3,916.04
4. Step 4: Simplify right side
   5,909.05x = 31,933,563.56
5. Step 5: Solve for x
   x = 31,933,563.56/5,909.05
6. Step 6: Final answer
   x = 5,404.18