Finding the Fourth Proportional to 12,369.02, 18,556.30 and 3,936.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,369.02 : 18,556.30 = 3,936.00 : x
2. Step 2: Convert to fraction form
   12,369.02/18,556.30 = 3,936.00/x
3. Step 3: Cross multiply
   12,369.02x = 18,556.30 × 3,936.00
4. Step 4: Simplify right side
   12,369.02x = 73,037,671.31
5. Step 5: Solve for x
   x = 73,037,671.31/12,369.02
6. Step 6: Final answer
   x = 5,904.89