Finding the Fourth Proportional to 2,026.86, 2,797.76 and 1,187.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.86 : 2,797.76 = 1,187.83 : x
2. Step 2: Convert to fraction form
   2,026.86/2,797.76 = 1,187.83/x
3. Step 3: Cross multiply
   2,026.86x = 2,797.76 × 1,187.83
4. Step 4: Simplify right side
   2,026.86x = 3,323,263.26
5. Step 5: Solve for x
   x = 3,323,263.26/2,026.86
6. Step 6: Final answer
   x = 1,639.61