Finding the Fourth Proportional to 2,074.39, 3,111.50 and 841.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.39 : 3,111.50 = 841.47 : x
2. Step 2: Convert to fraction form
   2,074.39/3,111.50 = 841.47/x
3. Step 3: Cross multiply
   2,074.39x = 3,111.50 × 841.47
4. Step 4: Simplify right side
   2,074.39x = 2,618,224.34
5. Step 5: Solve for x
   x = 2,618,224.34/2,074.39
6. Step 6: Final answer
   x = 1,262.17