Finding the Fourth Proportional to 3,142.06, 4,335.72 and 1,816.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.06 : 4,335.72 = 1,816.18 : x
2. Step 2: Convert to fraction form
   3,142.06/4,335.72 = 1,816.18/x
3. Step 3: Cross multiply
   3,142.06x = 4,335.72 × 1,816.18
4. Step 4: Simplify right side
   3,142.06x = 7,874,447.95
5. Step 5: Solve for x
   x = 7,874,447.95/3,142.06
6. Step 6: Final answer
   x = 2,506.14