Finding the Fourth Proportional to 2,086.56, 3,123.36 and 1,110.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.56 : 3,123.36 = 1,110.24 : x
2. Step 2: Convert to fraction form
   2,086.56/3,123.36 = 1,110.24/x
3. Step 3: Cross multiply
   2,086.56x = 3,123.36 × 1,110.24
4. Step 4: Simplify right side
   2,086.56x = 3,467,679.21
5. Step 5: Solve for x
   x = 3,467,679.21/2,086.56
6. Step 6: Final answer
   x = 1,661.91