Finding the Fourth Proportional to 2,894.31, 4,341.69 and 814.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,894.31 : 4,341.69 = 814.32 : x
2. Step 2: Convert to fraction form
   2,894.31/4,341.69 = 814.32/x
3. Step 3: Cross multiply
   2,894.31x = 4,341.69 × 814.32
4. Step 4: Simplify right side
   2,894.31x = 3,535,525.00
5. Step 5: Solve for x
   x = 3,535,525.00/2,894.31
6. Step 6: Final answer
   x = 1,221.54