Finding the Fourth Proportional to 12,541.41, 18,811.53 and 5,144.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,541.41 : 18,811.53 = 5,144.04 : x
2. Step 2: Convert to fraction form
   12,541.41/18,811.53 = 5,144.04/x
3. Step 3: Cross multiply
   12,541.41x = 18,811.53 × 5,144.04
4. Step 4: Simplify right side
   12,541.41x = 96,767,262.78
5. Step 5: Solve for x
   x = 96,767,262.78/12,541.41
6. Step 6: Final answer
   x = 7,715.82