Finding the Fourth Proportional to 2,074.91, 3,112.75 and 904.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.91 : 3,112.75 = 904.91 : x
2. Step 2: Convert to fraction form
   2,074.91/3,112.75 = 904.91/x
3. Step 3: Cross multiply
   2,074.91x = 3,112.75 × 904.91
4. Step 4: Simplify right side
   2,074.91x = 2,816,740.78
5. Step 5: Solve for x
   x = 2,816,740.78/2,074.91
6. Step 6: Final answer
   x = 1,357.53