Finding the Fourth Proportional to 1,965.98, 2,948.52 and 1,143.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.98 : 2,948.52 = 1,143.56 : x
2. Step 2: Convert to fraction form
   1,965.98/2,948.52 = 1,143.56/x
3. Step 3: Cross multiply
   1,965.98x = 2,948.52 × 1,143.56
4. Step 4: Simplify right side
   1,965.98x = 3,371,809.53
5. Step 5: Solve for x
   x = 3,371,809.53/1,965.98
6. Step 6: Final answer
   x = 1,715.08