Finding the Fourth Proportional to 1,558.64, 2,150.52 and 968.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.64 : 2,150.52 = 968.48 : x
2. Step 2: Convert to fraction form
   1,558.64/2,150.52 = 968.48/x
3. Step 3: Cross multiply
   1,558.64x = 2,150.52 × 968.48
4. Step 4: Simplify right side
   1,558.64x = 2,082,735.61
5. Step 5: Solve for x
   x = 2,082,735.61/1,558.64
6. Step 6: Final answer
   x = 1,336.25