Finding the Fourth Proportional to 3,081.02, 4,623.41 and 1,231.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,081.02 : 4,623.41 = 1,231.89 : x
2. Step 2: Convert to fraction form
   3,081.02/4,623.41 = 1,231.89/x
3. Step 3: Cross multiply
   3,081.02x = 4,623.41 × 1,231.89
4. Step 4: Simplify right side
   3,081.02x = 5,695,526.39
5. Step 5: Solve for x
   x = 5,695,526.39/3,081.02
6. Step 6: Final answer
   x = 1,848.59