Finding the Fourth Proportional to 5,909.99, 8,155.49 and 3,814.11

Step by Step Solution

1. Step 1: Write the proportion equation
   5,909.99 : 8,155.49 = 3,814.11 : x
2. Step 2: Convert to fraction form
   5,909.99/8,155.49 = 3,814.11/x
3. Step 3: Cross multiply
   5,909.99x = 8,155.49 × 3,814.11
4. Step 4: Simplify right side
   5,909.99x = 31,105,916.89
5. Step 5: Solve for x
   x = 31,105,916.89/5,909.99
6. Step 6: Final answer
   x = 5,263.28