Finding the Fourth Proportional to 1,003.03, 1,496.49 and 899.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.03 : 1,496.49 = 899.35 : x
2. Step 2: Convert to fraction form
   1,003.03/1,496.49 = 899.35/x
3. Step 3: Cross multiply
   1,003.03x = 1,496.49 × 899.35
4. Step 4: Simplify right side
   1,003.03x = 1,345,868.28
5. Step 5: Solve for x
   x = 1,345,868.28/1,003.03
6. Step 6: Final answer
   x = 1,341.80