Finding the Fourth Proportional to 3,072.37, 4,606.71 and 1,223.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,072.37 : 4,606.71 = 1,223.77 : x
2. Step 2: Convert to fraction form
   3,072.37/4,606.71 = 1,223.77/x
3. Step 3: Cross multiply
   3,072.37x = 4,606.71 × 1,223.77
4. Step 4: Simplify right side
   3,072.37x = 5,637,553.50
5. Step 5: Solve for x
   x = 5,637,553.50/3,072.37
6. Step 6: Final answer
   x = 1,834.92