Finding the Fourth Proportional to 1,972.24, 2,721.68 and 1,088.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972.24 : 2,721.68 = 1,088.05 : x
2. Step 2: Convert to fraction form
   1,972.24/2,721.68 = 1,088.05/x
3. Step 3: Cross multiply
   1,972.24x = 2,721.68 × 1,088.05
4. Step 4: Simplify right side
   1,972.24x = 2,961,323.92
5. Step 5: Solve for x
   x = 2,961,323.92/1,972.24
6. Step 6: Final answer
   x = 1,501.50