Finding the Fourth Proportional to 2,181.94, 3,009.06 and 1,435.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.94 : 3,009.06 = 1,435.62 : x
2. Step 2: Convert to fraction form
   2,181.94/3,009.06 = 1,435.62/x
3. Step 3: Cross multiply
   2,181.94x = 3,009.06 × 1,435.62
4. Step 4: Simplify right side
   2,181.94x = 4,319,866.72
5. Step 5: Solve for x
   x = 4,319,866.72/2,181.94
6. Step 6: Final answer
   x = 1,979.83