Finding the Fourth Proportional to 17,326.48, 25,871.56 and 13,776.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,326.48 : 25,871.56 = 13,776.52 : x
2. Step 2: Convert to fraction form
   17,326.48/25,871.56 = 13,776.52/x
3. Step 3: Cross multiply
   17,326.48x = 25,871.56 × 13,776.52
4. Step 4: Simplify right side
   17,326.48x = 356,420,063.77
5. Step 5: Solve for x
   x = 356,420,063.77/17,326.48
6. Step 6: Final answer
   x = 20,570.83