Finding the Fourth Proportional to 2,141.89, 2,956.17 and 1,246.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.89 : 2,956.17 = 1,246.15 : x
2. Step 2: Convert to fraction form
   2,141.89/2,956.17 = 1,246.15/x
3. Step 3: Cross multiply
   2,141.89x = 2,956.17 × 1,246.15
4. Step 4: Simplify right side
   2,141.89x = 3,683,823.86
5. Step 5: Solve for x
   x = 3,683,823.86/2,141.89
6. Step 6: Final answer
   x = 1,719.90