Finding the Fourth Proportional to 10,664.22, 15,986.00 and 5,986.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,664.22 : 15,986.00 = 5,986.47 : x
2. Step 2: Convert to fraction form
   10,664.22/15,986.00 = 5,986.47/x
3. Step 3: Cross multiply
   10,664.22x = 15,986.00 × 5,986.47
4. Step 4: Simplify right side
   10,664.22x = 95,699,599.56
5. Step 5: Solve for x
   x = 95,699,599.56/10,664.22
6. Step 6: Final answer
   x = 8,973.90