Finding the Fourth Proportional to 13,598.83, 20,398.47 and 3,738.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,598.83 : 20,398.47 = 3,738.05 : x
2. Step 2: Convert to fraction form
   13,598.83/20,398.47 = 3,738.05/x
3. Step 3: Cross multiply
   13,598.83x = 20,398.47 × 3,738.05
4. Step 4: Simplify right side
   13,598.83x = 76,250,500.78
5. Step 5: Solve for x
   x = 76,250,500.78/13,598.83
6. Step 6: Final answer
   x = 5,607.14