Finding the Fourth Proportional to 2,665.67, 4,018.80 and 2,477.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.67 : 4,018.80 = 2,477.75 : x
2. Step 2: Convert to fraction form
   2,665.67/4,018.80 = 2,477.75/x
3. Step 3: Cross multiply
   2,665.67x = 4,018.80 × 2,477.75
4. Step 4: Simplify right side
   2,665.67x = 9,957,552.31
5. Step 5: Solve for x
   x = 9,957,552.31/2,665.67
6. Step 6: Final answer
   x = 3,735.49