Finding the Fourth Proportional to 2,288.10, 3,157.76 and 1,293.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.10 : 3,157.76 = 1,293.36 : x
2. Step 2: Convert to fraction form
   2,288.10/3,157.76 = 1,293.36/x
3. Step 3: Cross multiply
   2,288.10x = 3,157.76 × 1,293.36
4. Step 4: Simplify right side
   2,288.10x = 4,084,120.47
5. Step 5: Solve for x
   x = 4,084,120.47/2,288.10
6. Step 6: Final answer
   x = 1,784.94