Finding the Fourth Proportional to 6,947.49, 10,404.69 and 5,372.85

Step by Step Solution

1. Step 1: Write the proportion equation
   6,947.49 : 10,404.69 = 5,372.85 : x
2. Step 2: Convert to fraction form
   6,947.49/10,404.69 = 5,372.85/x
3. Step 3: Cross multiply
   6,947.49x = 10,404.69 × 5,372.85
4. Step 4: Simplify right side
   6,947.49x = 55,902,838.67
5. Step 5: Solve for x
   x = 55,902,838.67/6,947.49
6. Step 6: Final answer
   x = 8,046.48