Finding the Fourth Proportional to 2,479.48, 3,719.86 and 1,093.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.48 : 3,719.86 = 1,093.12 : x
2. Step 2: Convert to fraction form
   2,479.48/3,719.86 = 1,093.12/x
3. Step 3: Cross multiply
   2,479.48x = 3,719.86 × 1,093.12
4. Step 4: Simplify right side
   2,479.48x = 4,066,253.36
5. Step 5: Solve for x
   x = 4,066,253.36/2,479.48
6. Step 6: Final answer
   x = 1,639.96