Finding the Fourth Proportional to 7,152.22, 10,718.46 and 5,161.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,152.22 : 10,718.46 = 5,161.98 : x
2. Step 2: Convert to fraction form
   7,152.22/10,718.46 = 5,161.98/x
3. Step 3: Cross multiply
   7,152.22x = 10,718.46 × 5,161.98
4. Step 4: Simplify right side
   7,152.22x = 55,328,476.15
5. Step 5: Solve for x
   x = 55,328,476.15/7,152.22
6. Step 6: Final answer
   x = 7,735.85