Finding the Fourth Proportional to 9,418.41, 12,996.30 and 5,589.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,418.41 : 12,996.30 = 5,589.46 : x
2. Step 2: Convert to fraction form
   9,418.41/12,996.30 = 5,589.46/x
3. Step 3: Cross multiply
   9,418.41x = 12,996.30 × 5,589.46
4. Step 4: Simplify right side
   9,418.41x = 72,642,267.03
5. Step 5: Solve for x
   x = 72,642,267.03/9,418.41
6. Step 6: Final answer
   x = 7,712.79