Finding the Fourth Proportional to 2,379.48, 3,283.86 and 1,435.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.48 : 3,283.86 = 1,435.56 : x
2. Step 2: Convert to fraction form
   2,379.48/3,283.86 = 1,435.56/x
3. Step 3: Cross multiply
   2,379.48x = 3,283.86 × 1,435.56
4. Step 4: Simplify right side
   2,379.48x = 4,714,178.06
5. Step 5: Solve for x
   x = 4,714,178.06/2,379.48
6. Step 6: Final answer
   x = 1,981.18