Finding the Fourth Proportional to 2,665.02, 4,017.48 and 2,486.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.02 : 4,017.48 = 2,486.62 : x
2. Step 2: Convert to fraction form
   2,665.02/4,017.48 = 2,486.62/x
3. Step 3: Cross multiply
   2,665.02x = 4,017.48 × 2,486.62
4. Step 4: Simplify right side
   2,665.02x = 9,989,946.12
5. Step 5: Solve for x
   x = 9,989,946.12/2,665.02
6. Step 6: Final answer
   x = 3,748.54