Finding the Fourth Proportional to 2,288.16, 3,157.56 and 1,293.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.16 : 3,157.56 = 1,293.48 : x
2. Step 2: Convert to fraction form
   2,288.16/3,157.56 = 1,293.48/x
3. Step 3: Cross multiply
   2,288.16x = 3,157.56 × 1,293.48
4. Step 4: Simplify right side
   2,288.16x = 4,084,240.71
5. Step 5: Solve for x
   x = 4,084,240.71/2,288.16
6. Step 6: Final answer
   x = 1,784.95