Finding the Fourth Proportional to 1,503.77, 2,074.71 and 874.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503.77 : 2,074.71 = 874.16 : x
2. Step 2: Convert to fraction form
   1,503.77/2,074.71 = 874.16/x
3. Step 3: Cross multiply
   1,503.77x = 2,074.71 × 874.16
4. Step 4: Simplify right side
   1,503.77x = 1,813,629.18
5. Step 5: Solve for x
   x = 1,813,629.18/1,503.77
6. Step 6: Final answer
   x = 1,206.06