Finding the Fourth Proportional to 12,247.78, 18,374.67 and 3,927.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,247.78 : 18,374.67 = 3,927.82 : x
2. Step 2: Convert to fraction form
   12,247.78/18,374.67 = 3,927.82/x
3. Step 3: Cross multiply
   12,247.78x = 18,374.67 × 3,927.82
4. Step 4: Simplify right side
   12,247.78x = 72,172,396.32
5. Step 5: Solve for x
   x = 72,172,396.32/12,247.78
6. Step 6: Final answer
   x = 5,892.69