Finding the Fourth Proportional to 1,967.85, 2,715.57 and 1,083.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.85 : 2,715.57 = 1,083.72 : x
2. Step 2: Convert to fraction form
   1,967.85/2,715.57 = 1,083.72/x
3. Step 3: Cross multiply
   1,967.85x = 2,715.57 × 1,083.72
4. Step 4: Simplify right side
   1,967.85x = 2,942,917.52
5. Step 5: Solve for x
   x = 2,942,917.52/1,967.85
6. Step 6: Final answer
   x = 1,495.50