Finding the Fourth Proportional to 10,048.78, 13,867.24 and 5,572.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,048.78 : 13,867.24 = 5,572.54 : x
2. Step 2: Convert to fraction form
   10,048.78/13,867.24 = 5,572.54/x
3. Step 3: Cross multiply
   10,048.78x = 13,867.24 × 5,572.54
4. Step 4: Simplify right side
   10,048.78x = 77,275,749.59
5. Step 5: Solve for x
   x = 77,275,749.59/10,048.78
6. Step 6: Final answer
   x = 7,690.06