Finding the Fourth Proportional to 12,503.79, 18,755.69 and 3,738.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,503.79 : 18,755.69 = 3,738.42 : x
2. Step 2: Convert to fraction form
   12,503.79/18,755.69 = 3,738.42/x
3. Step 3: Cross multiply
   12,503.79x = 18,755.69 × 3,738.42
4. Step 4: Simplify right side
   12,503.79x = 70,116,627.92
5. Step 5: Solve for x
   x = 70,116,627.92/12,503.79
6. Step 6: Final answer
   x = 5,607.63