Finding the Fourth Proportional to 7,111.33, 9,811.96 and 4,316.29

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.33 : 9,811.96 = 4,316.29 : x
2. Step 2: Convert to fraction form
   7,111.33/9,811.96 = 4,316.29/x
3. Step 3: Cross multiply
   7,111.33x = 9,811.96 × 4,316.29
4. Step 4: Simplify right side
   7,111.33x = 42,351,264.83
5. Step 5: Solve for x
   x = 42,351,264.83/7,111.33
6. Step 6: Final answer
   x = 5,955.46