Finding the Fourth Proportional to 6,111.01, 9,171.16 and 4,471.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.01 : 9,171.16 = 4,471.79 : x
2. Step 2: Convert to fraction form
   6,111.01/9,171.16 = 4,471.79/x
3. Step 3: Cross multiply
   6,111.01x = 9,171.16 × 4,471.79
4. Step 4: Simplify right side
   6,111.01x = 41,011,495.65
5. Step 5: Solve for x
   x = 41,011,495.65/6,111.01
6. Step 6: Final answer
   x = 6,711.08