Finding the Fourth Proportional to 2,179.48, 3,006.30 and 1,294.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.48 : 3,006.30 = 1,294.62 : x
2. Step 2: Convert to fraction form
   2,179.48/3,006.30 = 1,294.62/x
3. Step 3: Cross multiply
   2,179.48x = 3,006.30 × 1,294.62
4. Step 4: Simplify right side
   2,179.48x = 3,892,016.11
5. Step 5: Solve for x
   x = 3,892,016.11/2,179.48
6. Step 6: Final answer
   x = 1,785.75