Finding the Fourth Proportional to 10,767.10, 16,136.64 and 4,518.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,767.10 : 16,136.64 = 4,518.89 : x
2. Step 2: Convert to fraction form
   10,767.10/16,136.64 = 4,518.89/x
3. Step 3: Cross multiply
   10,767.10x = 16,136.64 × 4,518.89
4. Step 4: Simplify right side
   10,767.10x = 72,919,693.67
5. Step 5: Solve for x
   x = 72,919,693.67/10,767.10
6. Step 6: Final answer
   x = 6,772.45