Finding the Fourth Proportional to 1,948.11, 2,688.15 and 1,162

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.11 : 2,688.15 = 1,162 : x
2. Step 2: Convert to fraction form
   1,948.11/2,688.15 = 1,162/x
3. Step 3: Cross multiply
   1,948.11x = 2,688.15 × 1,162
4. Step 4: Simplify right side
   1,948.11x = 3,123,630.30
5. Step 5: Solve for x
   x = 3,123,630.30/1,948.11
6. Step 6: Final answer
   x = 1,603.42