Finding the Fourth Proportional to 2,140.42, 3,207.90 and 1,410.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.42 : 3,207.90 = 1,410.51 : x
2. Step 2: Convert to fraction form
   2,140.42/3,207.90 = 1,410.51/x
3. Step 3: Cross multiply
   2,140.42x = 3,207.90 × 1,410.51
4. Step 4: Simplify right side
   2,140.42x = 4,524,767.98
5. Step 5: Solve for x
   x = 4,524,767.98/2,140.42
6. Step 6: Final answer
   x = 2,113.96