Finding the Fourth Proportional to 12,768.69, 19,156.10 and 4,003.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,768.69 : 19,156.10 = 4,003.59 : x
2. Step 2: Convert to fraction form
   12,768.69/19,156.10 = 4,003.59/x
3. Step 3: Cross multiply
   12,768.69x = 19,156.10 × 4,003.59
4. Step 4: Simplify right side
   12,768.69x = 76,693,222.22
5. Step 5: Solve for x
   x = 76,693,222.22/12,768.69
6. Step 6: Final answer
   x = 6,006.35