Finding the Fourth Proportional to 2,379.27, 3,283.34 and 1,435.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.27 : 3,283.34 = 1,435.86 : x
2. Step 2: Convert to fraction form
   2,379.27/3,283.34 = 1,435.86/x
3. Step 3: Cross multiply
   2,379.27x = 3,283.34 × 1,435.86
4. Step 4: Simplify right side
   2,379.27x = 4,714,409.39
5. Step 5: Solve for x
   x = 4,714,409.39/2,379.27
6. Step 6: Final answer
   x = 1,981.45