Finding the Fourth Proportional to 3,693.94, 5,091.55 and 2,615.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.94 : 5,091.55 = 2,615.83 : x
2. Step 2: Convert to fraction form
   3,693.94/5,091.55 = 2,615.83/x
3. Step 3: Cross multiply
   3,693.94x = 5,091.55 × 2,615.83
4. Step 4: Simplify right side
   3,693.94x = 13,318,609.97
5. Step 5: Solve for x
   x = 13,318,609.97/3,693.94
6. Step 6: Final answer
   x = 3,605.53