Finding the Fourth Proportional to 2,665.54, 4,018.61 and 2,477.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.54 : 4,018.61 = 2,477.62 : x
2. Step 2: Convert to fraction form
   2,665.54/4,018.61 = 2,477.62/x
3. Step 3: Cross multiply
   2,665.54x = 4,018.61 × 2,477.62
4. Step 4: Simplify right side
   2,665.54x = 9,956,588.51
5. Step 5: Solve for x
   x = 9,956,588.51/2,665.54
6. Step 6: Final answer
   x = 3,735.30