Finding the Fourth Proportional to 2,287.17, 3,154.43 and 1,782.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.17 : 3,154.43 = 1,782.03 : x
2. Step 2: Convert to fraction form
   2,287.17/3,154.43 = 1,782.03/x
3. Step 3: Cross multiply
   2,287.17x = 3,154.43 × 1,782.03
4. Step 4: Simplify right side
   2,287.17x = 5,621,288.89
5. Step 5: Solve for x
   x = 5,621,288.89/2,287.17
6. Step 6: Final answer
   x = 2,457.75