Finding the Fourth Proportional to 12,363.72, 17,061.94 and 6,774.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,363.72 : 17,061.94 = 6,774.72 : x
2. Step 2: Convert to fraction form
   12,363.72/17,061.94 = 6,774.72/x
3. Step 3: Cross multiply
   12,363.72x = 17,061.94 × 6,774.72
4. Step 4: Simplify right side
   12,363.72x = 115,589,866.16
5. Step 5: Solve for x
   x = 115,589,866.16/12,363.72
6. Step 6: Final answer
   x = 9,349.12