Finding the Fourth Proportional to 1,363.89, 2,043.07 and 900.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.89 : 2,043.07 = 900.52 : x
2. Step 2: Convert to fraction form
   1,363.89/2,043.07 = 900.52/x
3. Step 3: Cross multiply
   1,363.89x = 2,043.07 × 900.52
4. Step 4: Simplify right side
   1,363.89x = 1,839,825.40
5. Step 5: Solve for x
   x = 1,839,825.40/1,363.89
6. Step 6: Final answer
   x = 1,348.95