Finding the Fourth Proportional to 12,431.57, 18,653.84 and 5,041.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,431.57 : 18,653.84 = 5,041.49 : x
2. Step 2: Convert to fraction form
   12,431.57/18,653.84 = 5,041.49/x
3. Step 3: Cross multiply
   12,431.57x = 18,653.84 × 5,041.49
4. Step 4: Simplify right side
   12,431.57x = 94,043,147.82
5. Step 5: Solve for x
   x = 94,043,147.82/12,431.57
6. Step 6: Final answer
   x = 7,564.86