Finding the Fourth Proportional to 1,760.72, 2,643 and 1,490.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.72 : 2,643 = 1,490.16 : x
2. Step 2: Convert to fraction form
   1,760.72/2,643 = 1,490.16/x
3. Step 3: Cross multiply
   1,760.72x = 2,643 × 1,490.16
4. Step 4: Simplify right side
   1,760.72x = 3,938,492.88
5. Step 5: Solve for x
   x = 3,938,492.88/1,760.72
6. Step 6: Final answer
   x = 2,236.86