Finding the Fourth Proportional to 1,970.24, 2,719 and 1,086.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.24 : 2,719 = 1,086.04 : x
2. Step 2: Convert to fraction form
   1,970.24/2,719 = 1,086.04/x
3. Step 3: Cross multiply
   1,970.24x = 2,719 × 1,086.04
4. Step 4: Simplify right side
   1,970.24x = 2,952,942.76
5. Step 5: Solve for x
   x = 2,952,942.76/1,970.24
6. Step 6: Final answer
   x = 1,498.77