Finding the Fourth Proportional to 12,704.50, 19,057.83 and 3,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,704.50 : 19,057.83 = 3,470.50 : x
2. Step 2: Convert to fraction form
   12,704.50/19,057.83 = 3,470.50/x
3. Step 3: Cross multiply
   12,704.50x = 19,057.83 × 3,470.50
4. Step 4: Simplify right side
   12,704.50x = 66,140,199.02
5. Step 5: Solve for x
   x = 66,140,199.02/12,704.50
6. Step 6: Final answer
   x = 5,206.05