Finding the Fourth Proportional to 10,048.39, 13,865.79 and 5,572.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,048.39 : 13,865.79 = 5,572.03 : x
2. Step 2: Convert to fraction form
   10,048.39/13,865.79 = 5,572.03/x
3. Step 3: Cross multiply
   10,048.39x = 13,865.79 × 5,572.03
4. Step 4: Simplify right side
   10,048.39x = 77,260,597.85
5. Step 5: Solve for x
   x = 77,260,597.85/10,048.39
6. Step 6: Final answer
   x = 7,688.85