Finding the Fourth Proportional to 12,546.52, 18,820.69 and 3,782.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,546.52 : 18,820.69 = 3,782.12 : x
2. Step 2: Convert to fraction form
   12,546.52/18,820.69 = 3,782.12/x
3. Step 3: Cross multiply
   12,546.52x = 18,820.69 × 3,782.12
4. Step 4: Simplify right side
   12,546.52x = 71,182,004.50
5. Step 5: Solve for x
   x = 71,182,004.50/12,546.52
6. Step 6: Final answer
   x = 5,673.45