Finding the Fourth Proportional to 12,533.59, 18,800.72 and 3,648.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,533.59 : 18,800.72 = 3,648.56 : x
2. Step 2: Convert to fraction form
   12,533.59/18,800.72 = 3,648.56/x
3. Step 3: Cross multiply
   12,533.59x = 18,800.72 × 3,648.56
4. Step 4: Simplify right side
   12,533.59x = 68,595,646.60
5. Step 5: Solve for x
   x = 68,595,646.60/12,533.59
6. Step 6: Final answer
   x = 5,472.94