Finding the Fourth Proportional to 12,768.75, 17,620.89 and 7,468.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,768.75 : 17,620.89 = 7,468.02 : x
2. Step 2: Convert to fraction form
   12,768.75/17,620.89 = 7,468.02/x
3. Step 3: Cross multiply
   12,768.75x = 17,620.89 × 7,468.02
4. Step 4: Simplify right side
   12,768.75x = 131,593,158.94
5. Step 5: Solve for x
   x = 131,593,158.94/12,768.75
6. Step 6: Final answer
   x = 10,305.88