Finding the Fourth Proportional to 11,902.94, 16,422.31 and 7,924.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,902.94 : 16,422.31 = 7,924.69 : x
2. Step 2: Convert to fraction form
   11,902.94/16,422.31 = 7,924.69/x
3. Step 3: Cross multiply
   11,902.94x = 16,422.31 × 7,924.69
4. Step 4: Simplify right side
   11,902.94x = 130,141,715.83
5. Step 5: Solve for x
   x = 130,141,715.83/11,902.94
6. Step 6: Final answer
   x = 10,933.58