Finding the Fourth Proportional to 12,249.07, 18,376.35 and 3,929.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,249.07 : 18,376.35 = 3,929.83 : x
2. Step 2: Convert to fraction form
   12,249.07/18,376.35 = 3,929.83/x
3. Step 3: Cross multiply
   12,249.07x = 18,376.35 × 3,929.83
4. Step 4: Simplify right side
   12,249.07x = 72,215,931.52
5. Step 5: Solve for x
   x = 72,215,931.52/12,249.07
6. Step 6: Final answer
   x = 5,895.63