Finding the Fourth Proportional to 3,615.18, 5,424.81 and 1,667.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615.18 : 5,424.81 = 1,667.39 : x
2. Step 2: Convert to fraction form
   3,615.18/5,424.81 = 1,667.39/x
3. Step 3: Cross multiply
   3,615.18x = 5,424.81 × 1,667.39
4. Step 4: Simplify right side
   3,615.18x = 9,045,246.82
5. Step 5: Solve for x
   x = 9,045,246.82/3,615.18
6. Step 6: Final answer
   x = 2,502.02