Finding the Fourth Proportional to 12,298.50, 18,450.87 and 3,533.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,298.50 : 18,450.87 = 3,533.42 : x
2. Step 2: Convert to fraction form
   12,298.50/18,450.87 = 3,533.42/x
3. Step 3: Cross multiply
   12,298.50x = 18,450.87 × 3,533.42
4. Step 4: Simplify right side
   12,298.50x = 65,194,725.83
5. Step 5: Solve for x
   x = 65,194,725.83/12,298.50
6. Step 6: Final answer
   x = 5,301.03