Finding the Fourth Proportional to 2,360.20, 3,535.48 and 1,123.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360.20 : 3,535.48 = 1,123.87 : x
2. Step 2: Convert to fraction form
   2,360.20/3,535.48 = 1,123.87/x
3. Step 3: Cross multiply
   2,360.20x = 3,535.48 × 1,123.87
4. Step 4: Simplify right side
   2,360.20x = 3,973,419.91
5. Step 5: Solve for x
   x = 3,973,419.91/2,360.20
6. Step 6: Final answer
   x = 1,683.51