Finding the Fourth Proportional to 2,651.69, 3,976.87 and 1,092.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.69 : 3,976.87 = 1,092.13 : x
2. Step 2: Convert to fraction form
   2,651.69/3,976.87 = 1,092.13/x
3. Step 3: Cross multiply
   2,651.69x = 3,976.87 × 1,092.13
4. Step 4: Simplify right side
   2,651.69x = 4,343,259.03
5. Step 5: Solve for x
   x = 4,343,259.03/2,651.69
6. Step 6: Final answer
   x = 1,637.92