Finding the Fourth Proportional to 3,761.83, 5,191.24 and 2,168.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,761.83 : 5,191.24 = 2,168.45 : x
2. Step 2: Convert to fraction form
   3,761.83/5,191.24 = 2,168.45/x
3. Step 3: Cross multiply
   3,761.83x = 5,191.24 × 2,168.45
4. Step 4: Simplify right side
   3,761.83x = 11,256,965.73
5. Step 5: Solve for x
   x = 11,256,965.73/3,761.83
6. Step 6: Final answer
   x = 2,992.42