Finding the Fourth Proportional to 1,400.90, 1,932.83 and 903.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.90 : 1,932.83 = 903.83 : x
2. Step 2: Convert to fraction form
   1,400.90/1,932.83 = 903.83/x
3. Step 3: Cross multiply
   1,400.90x = 1,932.83 × 903.83
4. Step 4: Simplify right side
   1,400.90x = 1,746,938.94
5. Step 5: Solve for x
   x = 1,746,938.94/1,400.90
6. Step 6: Final answer
   x = 1,247.02