Finding the Fourth Proportional to 12,538.80, 18,807.48 and 3,773.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,538.80 : 18,807.48 = 3,773.52 : x
2. Step 2: Convert to fraction form
   12,538.80/18,807.48 = 3,773.52/x
3. Step 3: Cross multiply
   12,538.80x = 18,807.48 × 3,773.52
4. Step 4: Simplify right side
   12,538.80x = 70,970,401.93
5. Step 5: Solve for x
   x = 70,970,401.93/12,538.80
6. Step 6: Final answer
   x = 5,660.06