Finding the Fourth Proportional to 1,972.52, 2,722.10 and 1,088.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972.52 : 2,722.10 = 1,088.31 : x
2. Step 2: Convert to fraction form
   1,972.52/2,722.10 = 1,088.31/x
3. Step 3: Cross multiply
   1,972.52x = 2,722.10 × 1,088.31
4. Step 4: Simplify right side
   1,972.52x = 2,962,483.21
5. Step 5: Solve for x
   x = 2,962,483.21/1,972.52
6. Step 6: Final answer
   x = 1,501.88