Finding the Fourth Proportional to 2,669.96, 3,682.72 and 1,607.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.96 : 3,682.72 = 1,607.24 : x
2. Step 2: Convert to fraction form
   2,669.96/3,682.72 = 1,607.24/x
3. Step 3: Cross multiply
   2,669.96x = 3,682.72 × 1,607.24
4. Step 4: Simplify right side
   2,669.96x = 5,919,014.89
5. Step 5: Solve for x
   x = 5,919,014.89/2,669.96
6. Step 6: Final answer
   x = 2,216.89