Finding the Fourth Proportional to 2,479.17, 3,718.74 and 1,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.17 : 3,718.74 = 1,092.50 : x
2. Step 2: Convert to fraction form
   2,479.17/3,718.74 = 1,092.50/x
3. Step 3: Cross multiply
   2,479.17x = 3,718.74 × 1,092.50
4. Step 4: Simplify right side
   2,479.17x = 4,062,743.82
5. Step 5: Solve for x
   x = 4,062,743.82/2,479.17
6. Step 6: Final answer
   x = 1,638.75