Finding the Fourth Proportional to 24,978.42, 37,473.78 and 8,340.24

Step by Step Solution

1. Step 1: Write the proportion equation
   24,978.42 : 37,473.78 = 8,340.24 : x
2. Step 2: Convert to fraction form
   24,978.42/37,473.78 = 8,340.24/x
3. Step 3: Cross multiply
   24,978.42x = 37,473.78 × 8,340.24
4. Step 4: Simplify right side
   24,978.42x = 312,540,318.91
5. Step 5: Solve for x
   x = 312,540,318.91/24,978.42
6. Step 6: Final answer
   x = 12,512.41