Finding the Fourth Proportional to 6,111.60, 9,167.32 and 1,951.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.60 : 9,167.32 = 1,951.55 : x
2. Step 2: Convert to fraction form
   6,111.60/9,167.32 = 1,951.55/x
3. Step 3: Cross multiply
   6,111.60x = 9,167.32 × 1,951.55
4. Step 4: Simplify right side
   6,111.60x = 17,890,525.89
5. Step 5: Solve for x
   x = 17,890,525.89/6,111.60
6. Step 6: Final answer
   x = 2,927.31