Finding the Fourth Proportional to 3,012.30, 4,156.18 and 2,068.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,012.30 : 4,156.18 = 2,068.38 : x
2. Step 2: Convert to fraction form
   3,012.30/4,156.18 = 2,068.38/x
3. Step 3: Cross multiply
   3,012.30x = 4,156.18 × 2,068.38
4. Step 4: Simplify right side
   3,012.30x = 8,596,559.59
5. Step 5: Solve for x
   x = 8,596,559.59/3,012.30
6. Step 6: Final answer
   x = 2,853.82