Finding the Fourth Proportional to 12,928.83, 19,392.86 and 3,569.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,928.83 : 19,392.86 = 3,569.42 : x
2. Step 2: Convert to fraction form
   12,928.83/19,392.86 = 3,569.42/x
3. Step 3: Cross multiply
   12,928.83x = 19,392.86 × 3,569.42
4. Step 4: Simplify right side
   12,928.83x = 69,221,296.55
5. Step 5: Solve for x
   x = 69,221,296.55/12,928.83
6. Step 6: Final answer
   x = 5,354.03