Finding the Fourth Proportional to 10,977.63, 16,468.16 and 3,580.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,977.63 : 16,468.16 = 3,580.37 : x
2. Step 2: Convert to fraction form
   10,977.63/16,468.16 = 3,580.37/x
3. Step 3: Cross multiply
   10,977.63x = 16,468.16 × 3,580.37
4. Step 4: Simplify right side
   10,977.63x = 58,962,005.78
5. Step 5: Solve for x
   x = 58,962,005.78/10,977.63
6. Step 6: Final answer
   x = 5,371.11