Finding the Fourth Proportional to 2,141.01, 3,209.63 and 841.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.01 : 3,209.63 = 841.50 : x
2. Step 2: Convert to fraction form
   2,141.01/3,209.63 = 841.50/x
3. Step 3: Cross multiply
   2,141.01x = 3,209.63 × 841.50
4. Step 4: Simplify right side
   2,141.01x = 2,700,899.44
5. Step 5: Solve for x
   x = 2,700,899.44/2,141.01
6. Step 6: Final answer
   x = 1,261.51