Finding the Fourth Proportional to 6,111.93, 9,166.01 and 2,215.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.93 : 9,166.01 = 2,215.38 : x
2. Step 2: Convert to fraction form
   6,111.93/9,166.01 = 2,215.38/x
3. Step 3: Cross multiply
   6,111.93x = 9,166.01 × 2,215.38
4. Step 4: Simplify right side
   6,111.93x = 20,306,184.16
5. Step 5: Solve for x
   x = 20,306,184.16/6,111.93
6. Step 6: Final answer
   x = 3,322.38