Finding the Fourth Proportional to 1,500.72, 2,240.22 and 1,296.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.72 : 2,240.22 = 1,296.60 : x
2. Step 2: Convert to fraction form
   1,500.72/2,240.22 = 1,296.60/x
3. Step 3: Cross multiply
   1,500.72x = 2,240.22 × 1,296.60
4. Step 4: Simplify right side
   1,500.72x = 2,904,669.25
5. Step 5: Solve for x
   x = 2,904,669.25/1,500.72
6. Step 6: Final answer
   x = 1,935.52