Finding the Fourth Proportional to 10,949.78, 16,425.59 and 4,709.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,949.78 : 16,425.59 = 4,709.95 : x
2. Step 2: Convert to fraction form
   10,949.78/16,425.59 = 4,709.95/x
3. Step 3: Cross multiply
   10,949.78x = 16,425.59 × 4,709.95
4. Step 4: Simplify right side
   10,949.78x = 77,363,643.01
5. Step 5: Solve for x
   x = 77,363,643.01/10,949.78
6. Step 6: Final answer
   x = 7,065.31