Finding the Fourth Proportional to 2,074.69, 3,109.75 and 903.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.69 : 3,109.75 = 903.32 : x
2. Step 2: Convert to fraction form
   2,074.69/3,109.75 = 903.32/x
3. Step 3: Cross multiply
   2,074.69x = 3,109.75 × 903.32
4. Step 4: Simplify right side
   2,074.69x = 2,809,110.72
5. Step 5: Solve for x
   x = 2,809,110.72/2,074.69
6. Step 6: Final answer
   x = 1,353.99