Finding the Fourth Proportional to 7,010.52, 10,518.22 and 3,117.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,010.52 : 10,518.22 = 3,117.72 : x
2. Step 2: Convert to fraction form
   7,010.52/10,518.22 = 3,117.72/x
3. Step 3: Cross multiply
   7,010.52x = 10,518.22 × 3,117.72
4. Step 4: Simplify right side
   7,010.52x = 32,792,864.86
5. Step 5: Solve for x
   x = 32,792,864.86/7,010.52
6. Step 6: Final answer
   x = 4,677.67