Finding the Fourth Proportional to 2,326.34, 3,210.12 and 1,318.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.34 : 3,210.12 = 1,318.10 : x
2. Step 2: Convert to fraction form
   2,326.34/3,210.12 = 1,318.10/x
3. Step 3: Cross multiply
   2,326.34x = 3,210.12 × 1,318.10
4. Step 4: Simplify right side
   2,326.34x = 4,231,259.17
5. Step 5: Solve for x
   x = 4,231,259.17/2,326.34
6. Step 6: Final answer
   x = 1,818.85