Finding the Fourth Proportional to 9,436.82, 14,153.63 and 2,861.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.82 : 14,153.63 = 2,861.43 : x
2. Step 2: Convert to fraction form
   9,436.82/14,153.63 = 2,861.43/x
3. Step 3: Cross multiply
   9,436.82x = 14,153.63 × 2,861.43
4. Step 4: Simplify right side
   9,436.82x = 40,499,607.18
5. Step 5: Solve for x
   x = 40,499,607.18/9,436.82
6. Step 6: Final answer
   x = 4,291.66