Finding the Fourth Proportional to 1,435.94, 2,139.46 and 1,341.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.94 : 2,139.46 = 1,341.62 : x
2. Step 2: Convert to fraction form
   1,435.94/2,139.46 = 1,341.62/x
3. Step 3: Cross multiply
   1,435.94x = 2,139.46 × 1,341.62
4. Step 4: Simplify right side
   1,435.94x = 2,870,349.35
5. Step 5: Solve for x
   x = 2,870,349.35/1,435.94
6. Step 6: Final answer
   x = 1,998.94