Finding the Fourth Proportional to 10,641.42, 15,960.71 and 2,850.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,641.42 : 15,960.71 = 2,850.84 : x
2. Step 2: Convert to fraction form
   10,641.42/15,960.71 = 2,850.84/x
3. Step 3: Cross multiply
   10,641.42x = 15,960.71 × 2,850.84
4. Step 4: Simplify right side
   10,641.42x = 45,501,437.62
5. Step 5: Solve for x
   x = 45,501,437.62/10,641.42
6. Step 6: Final answer
   x = 4,275.88