Finding the Fourth Proportional to 12,929.83, 19,394.36 and 3,570.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929.83 : 19,394.36 = 3,570.42 : x
2. Step 2: Convert to fraction form
   12,929.83/19,394.36 = 3,570.42/x
3. Step 3: Cross multiply
   12,929.83x = 19,394.36 × 3,570.42
4. Step 4: Simplify right side
   12,929.83x = 69,246,010.83
5. Step 5: Solve for x
   x = 69,246,010.83/12,929.83
6. Step 6: Final answer
   x = 5,355.52