Finding the Fourth Proportional to 6,111.69, 9,168.90 and 1,951.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.69 : 9,168.90 = 1,951.93 : x
2. Step 2: Convert to fraction form
   6,111.69/9,168.90 = 1,951.93/x
3. Step 3: Cross multiply
   6,111.69x = 9,168.90 × 1,951.93
4. Step 4: Simplify right side
   6,111.69x = 17,897,050.98
5. Step 5: Solve for x
   x = 17,897,050.98/6,111.69
6. Step 6: Final answer
   x = 2,928.33