Finding the Fourth Proportional to 1,014.84, 1,399.98 and 874.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014.84 : 1,399.98 = 874.72 : x
2. Step 2: Convert to fraction form
   1,014.84/1,399.98 = 874.72/x
3. Step 3: Cross multiply
   1,014.84x = 1,399.98 × 874.72
4. Step 4: Simplify right side
   1,014.84x = 1,224,590.51
5. Step 5: Solve for x
   x = 1,224,590.51/1,014.84
6. Step 6: Final answer
   x = 1,206.68