Finding the Fourth Proportional to 12,520.72, 18,771.36 and 5,937.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,520.72 : 18,771.36 = 5,937.04 : x
2. Step 2: Convert to fraction form
   12,520.72/18,771.36 = 5,937.04/x
3. Step 3: Cross multiply
   12,520.72x = 18,771.36 × 5,937.04
4. Step 4: Simplify right side
   12,520.72x = 111,446,315.17
5. Step 5: Solve for x
   x = 111,446,315.17/12,520.72
6. Step 6: Final answer
   x = 8,900.95