Finding the Fourth Proportional to 4,123.89, 6,186.42 and 1,201.77

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123.89 : 6,186.42 = 1,201.77 : x
2. Step 2: Convert to fraction form
   4,123.89/6,186.42 = 1,201.77/x
3. Step 3: Cross multiply
   4,123.89x = 6,186.42 × 1,201.77
4. Step 4: Simplify right side
   4,123.89x = 7,434,653.96
5. Step 5: Solve for x
   x = 7,434,653.96/4,123.89
6. Step 6: Final answer
   x = 1,802.83