Finding the Fourth Proportional to 2,038.92, 3,061.17 and 1,117.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.92 : 3,061.17 = 1,117.68 : x
2. Step 2: Convert to fraction form
   2,038.92/3,061.17 = 1,117.68/x
3. Step 3: Cross multiply
   2,038.92x = 3,061.17 × 1,117.68
4. Step 4: Simplify right side
   2,038.92x = 3,421,408.49
5. Step 5: Solve for x
   x = 3,421,408.49/2,038.92
6. Step 6: Final answer
   x = 1,678.05