Finding the Fourth Proportional to 8,592.72, 12,889.20 and 2,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,592.72 : 12,889.20 = 2,436.72 : x
2. Step 2: Convert to fraction form
   8,592.72/12,889.20 = 2,436.72/x
3. Step 3: Cross multiply
   8,592.72x = 12,889.20 × 2,436.72
4. Step 4: Simplify right side
   8,592.72x = 31,407,371.42
5. Step 5: Solve for x
   x = 31,407,371.42/8,592.72
6. Step 6: Final answer
   x = 3,655.11