Finding the Fourth Proportional to 2,875.94, 4,310.30 and 1,230.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.94 : 4,310.30 = 1,230.56 : x
2. Step 2: Convert to fraction form
   2,875.94/4,310.30 = 1,230.56/x
3. Step 3: Cross multiply
   2,875.94x = 4,310.30 × 1,230.56
4. Step 4: Simplify right side
   2,875.94x = 5,304,061.22
5. Step 5: Solve for x
   x = 5,304,061.22/2,875.94
6. Step 6: Final answer
   x = 1,844.29