Finding the Fourth Proportional to 6,944.72, 10,406.12 and 5,393.74

Step by Step Solution

1. Step 1: Write the proportion equation
   6,944.72 : 10,406.12 = 5,393.74 : x
2. Step 2: Convert to fraction form
   6,944.72/10,406.12 = 5,393.74/x
3. Step 3: Cross multiply
   6,944.72x = 10,406.12 × 5,393.74
4. Step 4: Simplify right side
   6,944.72x = 56,127,905.69
5. Step 5: Solve for x
   x = 56,127,905.69/6,944.72
6. Step 6: Final answer
   x = 8,082.10