Finding the Fourth Proportional to 2,770.01, 4,155.71 and 822.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,770.01 : 4,155.71 = 822.22 : x
2. Step 2: Convert to fraction form
   2,770.01/4,155.71 = 822.22/x
3. Step 3: Cross multiply
   2,770.01x = 4,155.71 × 822.22
4. Step 4: Simplify right side
   2,770.01x = 3,416,893.38
5. Step 5: Solve for x
   x = 3,416,893.38/2,770.01
6. Step 6: Final answer
   x = 1,233.53