Finding the Fourth Proportional to 12,500.63, 18,748.51 and 3,738.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,500.63 : 18,748.51 = 3,738.05 : x
2. Step 2: Convert to fraction form
   12,500.63/18,748.51 = 3,738.05/x
3. Step 3: Cross multiply
   12,500.63x = 18,748.51 × 3,738.05
4. Step 4: Simplify right side
   12,500.63x = 70,082,755.37
5. Step 5: Solve for x
   x = 70,082,755.37/12,500.63
6. Step 6: Final answer
   x = 5,606.34