Finding the Fourth Proportional to 10,641.80, 14,685.71 and 5,861.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,641.80 : 14,685.71 = 5,861.63 : x
2. Step 2: Convert to fraction form
   10,641.80/14,685.71 = 5,861.63/x
3. Step 3: Cross multiply
   10,641.80x = 14,685.71 × 5,861.63
4. Step 4: Simplify right side
   10,641.80x = 86,082,198.31
5. Step 5: Solve for x
   x = 86,082,198.31/10,641.80
6. Step 6: Final answer
   x = 8,089.06