Finding the Fourth Proportional to 17,320.77, 25,983.89 and 5,631.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,320.77 : 25,983.89 = 5,631.25 : x
2. Step 2: Convert to fraction form
   17,320.77/25,983.89 = 5,631.25/x
3. Step 3: Cross multiply
   17,320.77x = 25,983.89 × 5,631.25
4. Step 4: Simplify right side
   17,320.77x = 146,321,780.56
5. Step 5: Solve for x
   x = 146,321,780.56/17,320.77
6. Step 6: Final answer
   x = 8,447.76