Finding the Fourth Proportional to 6,111.76, 9,167.56 and 2,415.68

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.76 : 9,167.56 = 2,415.68 : x
2. Step 2: Convert to fraction form
   6,111.76/9,167.56 = 2,415.68/x
3. Step 3: Cross multiply
   6,111.76x = 9,167.56 × 2,415.68
4. Step 4: Simplify right side
   6,111.76x = 22,145,891.34
5. Step 5: Solve for x
   x = 22,145,891.34/6,111.76
6. Step 6: Final answer
   x = 3,623.49