Finding the Fourth Proportional to 6,890.78, 10,320.06 and 5,037.23

Step by Step Solution

1. Step 1: Write the proportion equation
   6,890.78 : 10,320.06 = 5,037.23 : x
2. Step 2: Convert to fraction form
   6,890.78/10,320.06 = 5,037.23/x
3. Step 3: Cross multiply
   6,890.78x = 10,320.06 × 5,037.23
4. Step 4: Simplify right side
   6,890.78x = 51,984,515.83
5. Step 5: Solve for x
   x = 51,984,515.83/6,890.78
6. Step 6: Final answer
   x = 7,544.07