Finding the Fourth Proportional to 2,381.00, 3,285.72 and 1,318.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.00 : 3,285.72 = 1,318.84 : x
2. Step 2: Convert to fraction form
   2,381.00/3,285.72 = 1,318.84/x
3. Step 3: Cross multiply
   2,381.00x = 3,285.72 × 1,318.84
4. Step 4: Simplify right side
   2,381.00x = 4,333,330.75
5. Step 5: Solve for x
   x = 4,333,330.75/2,381.00
6. Step 6: Final answer
   x = 1,819.97