Finding the Fourth Proportional to 1,967.59, 2,717.02 and 1,222.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.59 : 2,717.02 = 1,222.82 : x
2. Step 2: Convert to fraction form
   1,967.59/2,717.02 = 1,222.82/x
3. Step 3: Cross multiply
   1,967.59x = 2,717.02 × 1,222.82
4. Step 4: Simplify right side
   1,967.59x = 3,322,426.40
5. Step 5: Solve for x
   x = 3,322,426.40/1,967.59
6. Step 6: Final answer
   x = 1,688.58