Finding the Fourth Proportional to 19,619.52, 29,429.52 and 10,871.52

Step by Step Solution

1. Step 1: Write the proportion equation
   19,619.52 : 29,429.52 = 10,871.52 : x
2. Step 2: Convert to fraction form
   19,619.52/29,429.52 = 10,871.52/x
3. Step 3: Cross multiply
   19,619.52x = 29,429.52 × 10,871.52
4. Step 4: Simplify right side
   19,619.52x = 319,943,615.27
5. Step 5: Solve for x
   x = 319,943,615.27/19,619.52
6. Step 6: Final answer
   x = 16,307.41