Finding the Fourth Proportional to 10,048.98, 13,867.59 and 5,572.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,048.98 : 13,867.59 = 5,572.78 : x
2. Step 2: Convert to fraction form
   10,048.98/13,867.59 = 5,572.78/x
3. Step 3: Cross multiply
   10,048.98x = 13,867.59 × 5,572.78
4. Step 4: Simplify right side
   10,048.98x = 77,281,028.20
5. Step 5: Solve for x
   x = 77,281,028.20/10,048.98
6. Step 6: Final answer
   x = 7,690.44