Finding the Fourth Proportional to 2,112.13, 3,166.17 and 795.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.13 : 3,166.17 = 795.55 : x
2. Step 2: Convert to fraction form
   2,112.13/3,166.17 = 795.55/x
3. Step 3: Cross multiply
   2,112.13x = 3,166.17 × 795.55
4. Step 4: Simplify right side
   2,112.13x = 2,518,846.54
5. Step 5: Solve for x
   x = 2,518,846.54/2,112.13
6. Step 6: Final answer
   x = 1,192.56