Finding the Fourth Proportional to 12,697.68, 19,048.52 and 3,930.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,697.68 : 19,048.52 = 3,930.52 : x
2. Step 2: Convert to fraction form
   12,697.68/19,048.52 = 3,930.52/x
3. Step 3: Cross multiply
   12,697.68x = 19,048.52 × 3,930.52
4. Step 4: Simplify right side
   12,697.68x = 74,870,588.83
5. Step 5: Solve for x
   x = 74,870,588.83/12,697.68
6. Step 6: Final answer
   x = 5,896.40