Finding the Fourth Proportional to 7,788.78, 10,744.52 and 5,267.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,788.78 : 10,744.52 = 5,267.52 : x
2. Step 2: Convert to fraction form
   7,788.78/10,744.52 = 5,267.52/x
3. Step 3: Cross multiply
   7,788.78x = 10,744.52 × 5,267.52
4. Step 4: Simplify right side
   7,788.78x = 56,596,947.65
5. Step 5: Solve for x
   x = 56,596,947.65/7,788.78
6. Step 6: Final answer
   x = 7,266.47