Finding the Fourth Proportional to 10,950.82, 16,428.67 and 3,159.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,950.82 : 16,428.67 = 3,159.63 : x
2. Step 2: Convert to fraction form
   10,950.82/16,428.67 = 3,159.63/x
3. Step 3: Cross multiply
   10,950.82x = 16,428.67 × 3,159.63
4. Step 4: Simplify right side
   10,950.82x = 51,908,510.69
5. Step 5: Solve for x
   x = 51,908,510.69/10,950.82
6. Step 6: Final answer
   x = 4,740.15