Finding the Fourth Proportional to 6,105.18, 9,157.98 and 1,722.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.18 : 9,157.98 = 1,722.42 : x
2. Step 2: Convert to fraction form
   6,105.18/9,157.98 = 1,722.42/x
3. Step 3: Cross multiply
   6,105.18x = 9,157.98 × 1,722.42
4. Step 4: Simplify right side
   6,105.18x = 15,773,887.91
5. Step 5: Solve for x
   x = 15,773,887.91/6,105.18
6. Step 6: Final answer
   x = 2,583.69