Finding the Fourth Proportional to 12,981.25, 19,475.12 and 3,747.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,981.25 : 19,475.12 = 3,747.25 : x
2. Step 2: Convert to fraction form
   12,981.25/19,475.12 = 3,747.25/x
3. Step 3: Cross multiply
   12,981.25x = 19,475.12 × 3,747.25
4. Step 4: Simplify right side
   12,981.25x = 72,978,124.68
5. Step 5: Solve for x
   x = 72,978,124.68/12,981.25
6. Step 6: Final answer
   x = 5,621.81