Finding the Fourth Proportional to 10,677.18, 16,004.63 and 3,655.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,677.18 : 16,004.63 = 3,655.12 : x
2. Step 2: Convert to fraction form
   10,677.18/16,004.63 = 3,655.12/x
3. Step 3: Cross multiply
   10,677.18x = 16,004.63 × 3,655.12
4. Step 4: Simplify right side
   10,677.18x = 58,498,843.21
5. Step 5: Solve for x
   x = 58,498,843.21/10,677.18
6. Step 6: Final answer
   x = 5,478.87