Finding the Fourth Proportional to 3,146.09, 4,341.89 and 1,820.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,146.09 : 4,341.89 = 1,820.03 : x
2. Step 2: Convert to fraction form
   3,146.09/4,341.89 = 1,820.03/x
3. Step 3: Cross multiply
   3,146.09x = 4,341.89 × 1,820.03
4. Step 4: Simplify right side
   3,146.09x = 7,902,352.90
5. Step 5: Solve for x
   x = 7,902,352.90/3,146.09
6. Step 6: Final answer
   x = 2,511.81