Finding the Fourth Proportional to 1,633.78, 2,448.24 and 903.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.78 : 2,448.24 = 903.57 : x
2. Step 2: Convert to fraction form
   1,633.78/2,448.24 = 903.57/x
3. Step 3: Cross multiply
   1,633.78x = 2,448.24 × 903.57
4. Step 4: Simplify right side
   1,633.78x = 2,212,143.98
5. Step 5: Solve for x
   x = 2,212,143.98/1,633.78
6. Step 6: Final answer
   x = 1,354.00