Finding the Fourth Proportional to 12,271.50, 18,404.82 and 3,504.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,271.50 : 18,404.82 = 3,504.87 : x
2. Step 2: Convert to fraction form
   12,271.50/18,404.82 = 3,504.87/x
3. Step 3: Cross multiply
   12,271.50x = 18,404.82 × 3,504.87
4. Step 4: Simplify right side
   12,271.50x = 64,506,501.47
5. Step 5: Solve for x
   x = 64,506,501.47/12,271.50
6. Step 6: Final answer
   x = 5,256.61