Finding the Fourth Proportional to 1,972.89, 2,722.61 and 1,088.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972.89 : 2,722.61 = 1,088.67 : x
2. Step 2: Convert to fraction form
   1,972.89/2,722.61 = 1,088.67/x
3. Step 3: Cross multiply
   1,972.89x = 2,722.61 × 1,088.67
4. Step 4: Simplify right side
   1,972.89x = 2,964,036.76
5. Step 5: Solve for x
   x = 2,964,036.76/1,972.89
6. Step 6: Final answer
   x = 1,502.38