Finding the Fourth Proportional to 10,541.68, 15,815.40 and 3,616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,541.68 : 15,815.40 = 3,616.72 : x
2. Step 2: Convert to fraction form
   10,541.68/15,815.40 = 3,616.72/x
3. Step 3: Cross multiply
   10,541.68x = 15,815.40 × 3,616.72
4. Step 4: Simplify right side
   10,541.68x = 57,199,873.49
5. Step 5: Solve for x
   x = 57,199,873.49/10,541.68
6. Step 6: Final answer
   x = 5,426.07