Finding the Fourth Proportional to 3,665.47, 5,065.05 and 2,669.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.47 : 5,065.05 = 2,669.01 : x
2. Step 2: Convert to fraction form
   3,665.47/5,065.05 = 2,669.01/x
3. Step 3: Cross multiply
   3,665.47x = 5,065.05 × 2,669.01
4. Step 4: Simplify right side
   3,665.47x = 13,518,669.10
5. Step 5: Solve for x
   x = 13,518,669.10/3,665.47
6. Step 6: Final answer
   x = 3,688.11