Finding the Fourth Proportional to 2,111.77, 3,168.21 and 795.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.77 : 3,168.21 = 795.54 : x
2. Step 2: Convert to fraction form
   2,111.77/3,168.21 = 795.54/x
3. Step 3: Cross multiply
   2,111.77x = 3,168.21 × 795.54
4. Step 4: Simplify right side
   2,111.77x = 2,520,430.35
5. Step 5: Solve for x
   x = 2,520,430.35/2,111.77
6. Step 6: Final answer
   x = 1,193.51