Finding the Fourth Proportional to 1,404.96, 1,937.70 and 1,236.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.96 : 1,937.70 = 1,236.54 : x
2. Step 2: Convert to fraction form
   1,404.96/1,937.70 = 1,236.54/x
3. Step 3: Cross multiply
   1,404.96x = 1,937.70 × 1,236.54
4. Step 4: Simplify right side
   1,404.96x = 2,396,043.56
5. Step 5: Solve for x
   x = 2,396,043.56/1,404.96
6. Step 6: Final answer
   x = 1,705.42