Finding the Fourth Proportional to 9,918.42, 14,857.79 and 5,967.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,918.42 : 14,857.79 = 5,967.50 : x
2. Step 2: Convert to fraction form
   9,918.42/14,857.79 = 5,967.50/x
3. Step 3: Cross multiply
   9,918.42x = 14,857.79 × 5,967.50
4. Step 4: Simplify right side
   9,918.42x = 88,663,757.70
5. Step 5: Solve for x
   x = 88,663,757.70/9,918.42
6. Step 6: Final answer
   x = 8,939.30