Finding the Fourth Proportional to 12,755.69, 17,600.12 and 7,448.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,755.69 : 17,600.12 = 7,448.10 : x
2. Step 2: Convert to fraction form
   12,755.69/17,600.12 = 7,448.10/x
3. Step 3: Cross multiply
   12,755.69x = 17,600.12 × 7,448.10
4. Step 4: Simplify right side
   12,755.69x = 131,087,453.77
5. Step 5: Solve for x
   x = 131,087,453.77/12,755.69
6. Step 6: Final answer
   x = 10,276.78