Finding the Fourth Proportional to 12,436.44, 18,662.34 and 5,040.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,436.44 : 18,662.34 = 5,040.96 : x
2. Step 2: Convert to fraction form
   12,436.44/18,662.34 = 5,040.96/x
3. Step 3: Cross multiply
   12,436.44x = 18,662.34 × 5,040.96
4. Step 4: Simplify right side
   12,436.44x = 94,076,109.45
5. Step 5: Solve for x
   x = 94,076,109.45/12,436.44
6. Step 6: Final answer
   x = 7,564.55