Finding the Fourth Proportional to 17,628.84, 24,328.56 and 10,553.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,628.84 : 24,328.56 = 10,553.90 : x
2. Step 2: Convert to fraction form
   17,628.84/24,328.56 = 10,553.90/x
3. Step 3: Cross multiply
   17,628.84x = 24,328.56 × 10,553.90
4. Step 4: Simplify right side
   17,628.84x = 256,761,067.74
5. Step 5: Solve for x
   x = 256,761,067.74/17,628.84
6. Step 6: Final answer
   x = 14,564.83