Finding the Fourth Proportional to 17,064.24, 23,553.72 and 10,780.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,064.24 : 23,553.72 = 10,780.80 : x
2. Step 2: Convert to fraction form
   17,064.24/23,553.72 = 10,780.80/x
3. Step 3: Cross multiply
   17,064.24x = 23,553.72 × 10,780.80
4. Step 4: Simplify right side
   17,064.24x = 253,927,944.58
5. Step 5: Solve for x
   x = 253,927,944.58/17,064.24
6. Step 6: Final answer
   x = 14,880.71