Finding the Fourth Proportional to 2,541.86, 3,809.35 and 1,615.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.86 : 3,809.35 = 1,615.94 : x
2. Step 2: Convert to fraction form
   2,541.86/3,809.35 = 1,615.94/x
3. Step 3: Cross multiply
   2,541.86x = 3,809.35 × 1,615.94
4. Step 4: Simplify right side
   2,541.86x = 6,155,681.04
5. Step 5: Solve for x
   x = 6,155,681.04/2,541.86
6. Step 6: Final answer
   x = 2,421.72