Finding the Fourth Proportional to 7,159.89, 9,881.69 and 4,327.68

Step by Step Solution

1. Step 1: Write the proportion equation
   7,159.89 : 9,881.69 = 4,327.68 : x
2. Step 2: Convert to fraction form
   7,159.89/9,881.69 = 4,327.68/x
3. Step 3: Cross multiply
   7,159.89x = 9,881.69 × 4,327.68
4. Step 4: Simplify right side
   7,159.89x = 42,764,792.18
5. Step 5: Solve for x
   x = 42,764,792.18/7,159.89
6. Step 6: Final answer
   x = 5,972.83