Finding the Fourth Proportional to 2,318.10, 3,460.29 and 2,146.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.10 : 3,460.29 = 2,146.78 : x
2. Step 2: Convert to fraction form
   2,318.10/3,460.29 = 2,146.78/x
3. Step 3: Cross multiply
   2,318.10x = 3,460.29 × 2,146.78
4. Step 4: Simplify right side
   2,318.10x = 7,428,487.37
5. Step 5: Solve for x
   x = 7,428,487.37/2,318.10
6. Step 6: Final answer
   x = 3,204.56