Finding the Fourth Proportional to 7,111.41, 10,669.86 and 2,950.36

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.41 : 10,669.86 = 2,950.36 : x
2. Step 2: Convert to fraction form
   7,111.41/10,669.86 = 2,950.36/x
3. Step 3: Cross multiply
   7,111.41x = 10,669.86 × 2,950.36
4. Step 4: Simplify right side
   7,111.41x = 31,479,928.15
5. Step 5: Solve for x
   x = 31,479,928.15/7,111.41
6. Step 6: Final answer
   x = 4,426.68