Finding the Fourth Proportional to 40,592.72, 60,876.12 and 12,884.24

Step by Step Solution

1. Step 1: Write the proportion equation
   40,592.72 : 60,876.12 = 12,884.24 : x
2. Step 2: Convert to fraction form
   40,592.72/60,876.12 = 12,884.24/x
3. Step 3: Cross multiply
   40,592.72x = 60,876.12 × 12,884.24
4. Step 4: Simplify right side
   40,592.72x = 784,342,540.35
5. Step 5: Solve for x
   x = 784,342,540.35/40,592.72
6. Step 6: Final answer
   x = 19,322.25