Finding the Fourth Proportional to 6,111.21, 9,168.45 and 1,951.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.21 : 9,168.45 = 1,951.05 : x
2. Step 2: Convert to fraction form
   6,111.21/9,168.45 = 1,951.05/x
3. Step 3: Cross multiply
   6,111.21x = 9,168.45 × 1,951.05
4. Step 4: Simplify right side
   6,111.21x = 17,888,104.37
5. Step 5: Solve for x
   x = 17,888,104.37/6,111.21
6. Step 6: Final answer
   x = 2,927.10