Finding the Fourth Proportional to 2,227.69, 3,342.01 and 841.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.69 : 3,342.01 = 841.00 : x
2. Step 2: Convert to fraction form
   2,227.69/3,342.01 = 841.00/x
3. Step 3: Cross multiply
   2,227.69x = 3,342.01 × 841.00
4. Step 4: Simplify right side
   2,227.69x = 2,810,624.27
5. Step 5: Solve for x
   x = 2,810,624.27/2,227.69
6. Step 6: Final answer
   x = 1,261.67