Finding the Fourth Proportional to 7,965.38, 10,978.67 and 5,443.11

Step by Step Solution

1. Step 1: Write the proportion equation
   7,965.38 : 10,978.67 = 5,443.11 : x
2. Step 2: Convert to fraction form
   7,965.38/10,978.67 = 5,443.11/x
3. Step 3: Cross multiply
   7,965.38x = 10,978.67 × 5,443.11
4. Step 4: Simplify right side
   7,965.38x = 59,758,108.46
5. Step 5: Solve for x
   x = 59,758,108.46/7,965.38
6. Step 6: Final answer
   x = 7,502.23