Finding the Fourth Proportional to 10,986.41, 16,480.37 and 4,412.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,986.41 : 16,480.37 = 4,412.59 : x
2. Step 2: Convert to fraction form
   10,986.41/16,480.37 = 4,412.59/x
3. Step 3: Cross multiply
   10,986.41x = 16,480.37 × 4,412.59
4. Step 4: Simplify right side
   10,986.41x = 72,721,011.39
5. Step 5: Solve for x
   x = 72,721,011.39/10,986.41
6. Step 6: Final answer
   x = 6,619.18