Finding the Fourth Proportional to 12,756.50, 19,135.83 and 3,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,756.50 : 19,135.83 = 3,522.50 : x
2. Step 2: Convert to fraction form
   12,756.50/19,135.83 = 3,522.50/x
3. Step 3: Cross multiply
   12,756.50x = 19,135.83 × 3,522.50
4. Step 4: Simplify right side
   12,756.50x = 67,405,961.18
5. Step 5: Solve for x
   x = 67,405,961.18/12,756.50
6. Step 6: Final answer
   x = 5,284.05