Finding the Fourth Proportional to 7,111.72, 10,613.51 and 6,323.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.72 : 10,613.51 = 6,323.54 : x
2. Step 2: Convert to fraction form
   7,111.72/10,613.51 = 6,323.54/x
3. Step 3: Cross multiply
   7,111.72x = 10,613.51 × 6,323.54
4. Step 4: Simplify right side
   7,111.72x = 67,114,894.05
5. Step 5: Solve for x
   x = 67,114,894.05/7,111.72
6. Step 6: Final answer
   x = 9,437.22