Finding the Fourth Proportional to 7,111.56, 9,814.92 and 4,317.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.56 : 9,814.92 = 4,317.12 : x
2. Step 2: Convert to fraction form
   7,111.56/9,814.92 = 4,317.12/x
3. Step 3: Cross multiply
   7,111.56x = 9,814.92 × 4,317.12
4. Step 4: Simplify right side
   7,111.56x = 42,372,187.43
5. Step 5: Solve for x
   x = 42,372,187.43/7,111.56
6. Step 6: Final answer
   x = 5,958.21