Finding the Fourth Proportional to 9,940.42, 14,878.18 and 7,307.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.42 : 14,878.18 = 7,307.24 : x
2. Step 2: Convert to fraction form
   9,940.42/14,878.18 = 7,307.24/x
3. Step 3: Cross multiply
   9,940.42x = 14,878.18 × 7,307.24
4. Step 4: Simplify right side
   9,940.42x = 108,718,432.02
5. Step 5: Solve for x
   x = 108,718,432.02/9,940.42
6. Step 6: Final answer
   x = 10,937.01