Finding the Fourth Proportional to 2,050.78, 3,070.71 and 1,074.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.78 : 3,070.71 = 1,074.84 : x
2. Step 2: Convert to fraction form
   2,050.78/3,070.71 = 1,074.84/x
3. Step 3: Cross multiply
   2,050.78x = 3,070.71 × 1,074.84
4. Step 4: Simplify right side
   2,050.78x = 3,300,521.94
5. Step 5: Solve for x
   x = 3,300,521.94/2,050.78
6. Step 6: Final answer
   x = 1,609.40