Finding the Fourth Proportional to 2,667.16, 3,696.25 and 2,615.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.16 : 3,696.25 = 2,615.32 : x
2. Step 2: Convert to fraction form
   2,667.16/3,696.25 = 2,615.32/x
3. Step 3: Cross multiply
   2,667.16x = 3,696.25 × 2,615.32
4. Step 4: Simplify right side
   2,667.16x = 9,666,876.55
5. Step 5: Solve for x
   x = 9,666,876.55/2,667.16
6. Step 6: Final answer
   x = 3,624.41