Finding the Fourth Proportional to 2,140.62, 3,213.56 and 1,410.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.62 : 3,213.56 = 1,410.81 : x
2. Step 2: Convert to fraction form
   2,140.62/3,213.56 = 1,410.81/x
3. Step 3: Cross multiply
   2,140.62x = 3,213.56 × 1,410.81
4. Step 4: Simplify right side
   2,140.62x = 4,533,722.58
5. Step 5: Solve for x
   x = 4,533,722.58/2,140.62
6. Step 6: Final answer
   x = 2,117.95