Finding the Fourth Proportional to 2,546.42, 3,513.33 and 1,615.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.42 : 3,513.33 = 1,615.22 : x
2. Step 2: Convert to fraction form
   2,546.42/3,513.33 = 1,615.22/x
3. Step 3: Cross multiply
   2,546.42x = 3,513.33 × 1,615.22
4. Step 4: Simplify right side
   2,546.42x = 5,674,800.88
5. Step 5: Solve for x
   x = 5,674,800.88/2,546.42
6. Step 6: Final answer
   x = 2,228.54