Finding the Fourth Proportional to 11,078.60, 16,614.52 and 3,681.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,078.60 : 16,614.52 = 3,681.12 : x
2. Step 2: Convert to fraction form
   11,078.60/16,614.52 = 3,681.12/x
3. Step 3: Cross multiply
   11,078.60x = 16,614.52 × 3,681.12
4. Step 4: Simplify right side
   11,078.60x = 61,160,041.86
5. Step 5: Solve for x
   x = 61,160,041.86/11,078.60
6. Step 6: Final answer
   x = 5,520.56