Finding the Fourth Proportional to 10,622.88, 14,659.38 and 5,907.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,622.88 : 14,659.38 = 5,907.12 : x
2. Step 2: Convert to fraction form
   10,622.88/14,659.38 = 5,907.12/x
3. Step 3: Cross multiply
   10,622.88x = 14,659.38 × 5,907.12
4. Step 4: Simplify right side
   10,622.88x = 86,594,716.79
5. Step 5: Solve for x
   x = 86,594,716.79/10,622.88
6. Step 6: Final answer
   x = 8,151.72