Finding the Fourth Proportional to 1,111.03, 1,529.61 and 874.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.03 : 1,529.61 = 874.56 : x
2. Step 2: Convert to fraction form
   1,111.03/1,529.61 = 874.56/x
3. Step 3: Cross multiply
   1,111.03x = 1,529.61 × 874.56
4. Step 4: Simplify right side
   1,111.03x = 1,337,735.72
5. Step 5: Solve for x
   x = 1,337,735.72/1,111.03
6. Step 6: Final answer
   x = 1,204.05