Finding the Fourth Proportional to 10,048.39, 13,866.71 and 5,572.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,048.39 : 13,866.71 = 5,572.15 : x
2. Step 2: Convert to fraction form
   10,048.39/13,866.71 = 5,572.15/x
3. Step 3: Cross multiply
   10,048.39x = 13,866.71 × 5,572.15
4. Step 4: Simplify right side
   10,048.39x = 77,267,318.79
5. Step 5: Solve for x
   x = 77,267,318.79/10,048.39
6. Step 6: Final answer
   x = 7,689.52