Finding the Fourth Proportional to 7,309.22, 10,086.68 and 4,165.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,309.22 : 10,086.68 = 4,165.42 : x
2. Step 2: Convert to fraction form
   7,309.22/10,086.68 = 4,165.42/x
3. Step 3: Cross multiply
   7,309.22x = 10,086.68 × 4,165.42
4. Step 4: Simplify right side
   7,309.22x = 42,015,258.61
5. Step 5: Solve for x
   x = 42,015,258.61/7,309.22
6. Step 6: Final answer
   x = 5,748.25