Finding the Fourth Proportional to 9,014.59, 12,443.97 and 5,478.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,014.59 : 12,443.97 = 5,478.94 : x
2. Step 2: Convert to fraction form
   9,014.59/12,443.97 = 5,478.94/x
3. Step 3: Cross multiply
   9,014.59x = 12,443.97 × 5,478.94
4. Step 4: Simplify right side
   9,014.59x = 68,179,764.99
5. Step 5: Solve for x
   x = 68,179,764.99/9,014.59
6. Step 6: Final answer
   x = 7,563.27