Finding the Fourth Proportional to 2,096.08, 3,123.35 and 1,866.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.08 : 3,123.35 = 1,866.40 : x
2. Step 2: Convert to fraction form
   2,096.08/3,123.35 = 1,866.40/x
3. Step 3: Cross multiply
   2,096.08x = 3,123.35 × 1,866.40
4. Step 4: Simplify right side
   2,096.08x = 5,829,420.44
5. Step 5: Solve for x
   x = 5,829,420.44/2,096.08
6. Step 6: Final answer
   x = 2,781.11