Finding the Fourth Proportional to 9,332.94, 13,986.30 and 7,940.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,332.94 : 13,986.30 = 7,940.76 : x
2. Step 2: Convert to fraction form
   9,332.94/13,986.30 = 7,940.76/x
3. Step 3: Cross multiply
   9,332.94x = 13,986.30 × 7,940.76
4. Step 4: Simplify right side
   9,332.94x = 111,061,851.59
5. Step 5: Solve for x
   x = 111,061,851.59/9,332.94
6. Step 6: Final answer
   x = 11,899.99