Finding the Fourth Proportional to 1,503.82, 2,074.98 and 874.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503.82 : 2,074.98 = 874.72 : x
2. Step 2: Convert to fraction form
   1,503.82/2,074.98 = 874.72/x
3. Step 3: Cross multiply
   1,503.82x = 2,074.98 × 874.72
4. Step 4: Simplify right side
   1,503.82x = 1,815,026.51
5. Step 5: Solve for x
   x = 1,815,026.51/1,503.82
6. Step 6: Final answer
   x = 1,206.94