Finding the Fourth Proportional to 9,148.67, 13,727.61 and 3,605.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,148.67 : 13,727.61 = 3,605.99 : x
2. Step 2: Convert to fraction form
   9,148.67/13,727.61 = 3,605.99/x
3. Step 3: Cross multiply
   9,148.67x = 13,727.61 × 3,605.99
4. Step 4: Simplify right side
   9,148.67x = 49,501,555.75
5. Step 5: Solve for x
   x = 49,501,555.75/9,148.67
6. Step 6: Final answer
   x = 5,410.80