Finding the Fourth Proportional to 10,977.53, 16,467.89 and 3,580.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,977.53 : 16,467.89 = 3,580.16 : x
2. Step 2: Convert to fraction form
   10,977.53/16,467.89 = 3,580.16/x
3. Step 3: Cross multiply
   10,977.53x = 16,467.89 × 3,580.16
4. Step 4: Simplify right side
   10,977.53x = 58,957,704.33
5. Step 5: Solve for x
   x = 58,957,704.33/10,977.53
6. Step 6: Final answer
   x = 5,370.76