Finding the Fourth Proportional to 1,972.01, 2,721.37 and 1,087.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972.01 : 2,721.37 = 1,087.82 : x
2. Step 2: Convert to fraction form
   1,972.01/2,721.37 = 1,087.82/x
3. Step 3: Cross multiply
   1,972.01x = 2,721.37 × 1,087.82
4. Step 4: Simplify right side
   1,972.01x = 2,960,360.71
5. Step 5: Solve for x
   x = 2,960,360.71/1,972.01
6. Step 6: Final answer
   x = 1,501.19