Finding the Fourth Proportional to 2,653.21, 3,976.54 and 1,092.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653.21 : 3,976.54 = 1,092.24 : x
2. Step 2: Convert to fraction form
   2,653.21/3,976.54 = 1,092.24/x
3. Step 3: Cross multiply
   2,653.21x = 3,976.54 × 1,092.24
4. Step 4: Simplify right side
   2,653.21x = 4,343,336.05
5. Step 5: Solve for x
   x = 4,343,336.05/2,653.21
6. Step 6: Final answer
   x = 1,637.01