Finding the Fourth Proportional to 2,096.96, 2,887.20 and 1,781.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.96 : 2,887.20 = 1,781.60 : x
2. Step 2: Convert to fraction form
   2,096.96/2,887.20 = 1,781.60/x
3. Step 3: Cross multiply
   2,096.96x = 2,887.20 × 1,781.60
4. Step 4: Simplify right side
   2,096.96x = 5,143,835.52
5. Step 5: Solve for x
   x = 5,143,835.52/2,096.96
6. Step 6: Final answer
   x = 2,453.00