Finding the Fourth Proportional to 12,548.82, 18,819.57 and 3,781.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,548.82 : 18,819.57 = 3,781.38 : x
2. Step 2: Convert to fraction form
   12,548.82/18,819.57 = 3,781.38/x
3. Step 3: Cross multiply
   12,548.82x = 18,819.57 × 3,781.38
4. Step 4: Simplify right side
   12,548.82x = 71,163,945.61
5. Step 5: Solve for x
   x = 71,163,945.61/12,548.82
6. Step 6: Final answer
   x = 5,670.97