Finding the Fourth Proportional to 8,592.96, 12,890.72 and 2,436.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,592.96 : 12,890.72 = 2,436.80 : x
2. Step 2: Convert to fraction form
   8,592.96/12,890.72 = 2,436.80/x
3. Step 3: Cross multiply
   8,592.96x = 12,890.72 × 2,436.80
4. Step 4: Simplify right side
   8,592.96x = 31,412,106.50
5. Step 5: Solve for x
   x = 31,412,106.50/8,592.96
6. Step 6: Final answer
   x = 3,655.56