Finding the Fourth Proportional to 12,548.43, 18,824.42 and 3,784.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,548.43 : 18,824.42 = 3,784.02 : x
2. Step 2: Convert to fraction form
   12,548.43/18,824.42 = 3,784.02/x
3. Step 3: Cross multiply
   12,548.43x = 18,824.42 × 3,784.02
4. Step 4: Simplify right side
   12,548.43x = 71,231,962.85
5. Step 5: Solve for x
   x = 71,231,962.85/12,548.43
6. Step 6: Final answer
   x = 5,676.56