Finding the Fourth Proportional to 2,479.41, 3,720.13 and 1,092.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.41 : 3,720.13 = 1,092.69 : x
2. Step 2: Convert to fraction form
   2,479.41/3,720.13 = 1,092.69/x
3. Step 3: Cross multiply
   2,479.41x = 3,720.13 × 1,092.69
4. Step 4: Simplify right side
   2,479.41x = 4,064,946.12
5. Step 5: Solve for x
   x = 4,064,946.12/2,479.41
6. Step 6: Final answer
   x = 1,639.48