Finding the Fourth Proportional to 3,665.00, 5,477.38 and 2,679.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.00 : 5,477.38 = 2,679.89 : x
2. Step 2: Convert to fraction form
   3,665.00/5,477.38 = 2,679.89/x
3. Step 3: Cross multiply
   3,665.00x = 5,477.38 × 2,679.89
4. Step 4: Simplify right side
   3,665.00x = 14,678,741.80
5. Step 5: Solve for x
   x = 14,678,741.80/3,665.00
6. Step 6: Final answer
   x = 4,005.11