Finding the Fourth Proportional to 2,200.88, 3,301.54 and 814.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.88 : 3,301.54 = 814.58 : x
2. Step 2: Convert to fraction form
   2,200.88/3,301.54 = 814.58/x
3. Step 3: Cross multiply
   2,200.88x = 3,301.54 × 814.58
4. Step 4: Simplify right side
   2,200.88x = 2,689,368.45
5. Step 5: Solve for x
   x = 2,689,368.45/2,200.88
6. Step 6: Final answer
   x = 1,221.95