Finding the Fourth Proportional to 12,756, 19,134.24 and 3,522.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,756 : 19,134.24 = 3,522.24 : x
2. Step 2: Convert to fraction form
   12,756/19,134.24 = 3,522.24/x
3. Step 3: Cross multiply
   12,756x = 19,134.24 × 3,522.24
4. Step 4: Simplify right side
   12,756x = 67,395,385.50
5. Step 5: Solve for x
   x = 67,395,385.50/12,756
6. Step 6: Final answer
   x = 5,283.43