Finding the Fourth Proportional to 1,424.83, 2,136.72 and 603.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.83 : 2,136.72 = 603.17 : x
2. Step 2: Convert to fraction form
   1,424.83/2,136.72 = 603.17/x
3. Step 3: Cross multiply
   1,424.83x = 2,136.72 × 603.17
4. Step 4: Simplify right side
   1,424.83x = 1,288,794.72
5. Step 5: Solve for x
   x = 1,288,794.72/1,424.83
6. Step 6: Final answer
   x = 904.53