Finding the Fourth Proportional to 12,561.12, 18,840.78 and 3,794.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,561.12 : 18,840.78 = 3,794.76 : x
2. Step 2: Convert to fraction form
   12,561.12/18,840.78 = 3,794.76/x
3. Step 3: Cross multiply
   12,561.12x = 18,840.78 × 3,794.76
4. Step 4: Simplify right side
   12,561.12x = 71,496,238.31
5. Step 5: Solve for x
   x = 71,496,238.31/12,561.12
6. Step 6: Final answer
   x = 5,691.87