Finding the Fourth Proportional to 1,513.72, 2,272.52 and 968.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.72 : 2,272.52 = 968.32 : x
2. Step 2: Convert to fraction form
   1,513.72/2,272.52 = 968.32/x
3. Step 3: Cross multiply
   1,513.72x = 2,272.52 × 968.32
4. Step 4: Simplify right side
   1,513.72x = 2,200,526.57
5. Step 5: Solve for x
   x = 2,200,526.57/1,513.72
6. Step 6: Final answer
   x = 1,453.72