Finding the Fourth Proportional to 11,892.93, 16,426.02 and 7,907.14

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.93 : 16,426.02 = 7,907.14 : x
2. Step 2: Convert to fraction form
   11,892.93/16,426.02 = 7,907.14/x
3. Step 3: Cross multiply
   11,892.93x = 16,426.02 × 7,907.14
4. Step 4: Simplify right side
   11,892.93x = 129,882,839.78
5. Step 5: Solve for x
   x = 129,882,839.78/11,892.93
6. Step 6: Final answer
   x = 10,921.01