Finding the Fourth Proportional to 2,181.40, 3,010.98 and 1,435.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.40 : 3,010.98 = 1,435.93 : x
2. Step 2: Convert to fraction form
   2,181.40/3,010.98 = 1,435.93/x
3. Step 3: Cross multiply
   2,181.40x = 3,010.98 × 1,435.93
4. Step 4: Simplify right side
   2,181.40x = 4,323,556.51
5. Step 5: Solve for x
   x = 4,323,556.51/2,181.40
6. Step 6: Final answer
   x = 1,982.01