Finding the Fourth Proportional to 12,777.14, 19,168.59 and 3,893.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,777.14 : 19,168.59 = 3,893.27 : x
2. Step 2: Convert to fraction form
   12,777.14/19,168.59 = 3,893.27/x
3. Step 3: Cross multiply
   12,777.14x = 19,168.59 × 3,893.27
4. Step 4: Simplify right side
   12,777.14x = 74,628,400.55
5. Step 5: Solve for x
   x = 74,628,400.55/12,777.14
6. Step 6: Final answer
   x = 5,840.78