Finding the Fourth Proportional to 2,417.79, 3,628.51 and 1,120.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417.79 : 3,628.51 = 1,120.17 : x
2. Step 2: Convert to fraction form
   2,417.79/3,628.51 = 1,120.17/x
3. Step 3: Cross multiply
   2,417.79x = 3,628.51 × 1,120.17
4. Step 4: Simplify right side
   2,417.79x = 4,064,545.25
5. Step 5: Solve for x
   x = 4,064,545.25/2,417.79
6. Step 6: Final answer
   x = 1,681.10