Finding the Fourth Proportional to 2,141.10, 3,210.03 and 841.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.10 : 3,210.03 = 841.86 : x
2. Step 2: Convert to fraction form
   2,141.10/3,210.03 = 841.86/x
3. Step 3: Cross multiply
   2,141.10x = 3,210.03 × 841.86
4. Step 4: Simplify right side
   2,141.10x = 2,702,395.86
5. Step 5: Solve for x
   x = 2,702,395.86/2,141.10
6. Step 6: Final answer
   x = 1,262.15