Finding the Fourth Proportional to 1,967.92, 2,715.72 and 1,083.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.92 : 2,715.72 = 1,083.72 : x
2. Step 2: Convert to fraction form
   1,967.92/2,715.72 = 1,083.72/x
3. Step 3: Cross multiply
   1,967.92x = 2,715.72 × 1,083.72
4. Step 4: Simplify right side
   1,967.92x = 2,943,080.08
5. Step 5: Solve for x
   x = 2,943,080.08/1,967.92
6. Step 6: Final answer
   x = 1,495.53