Finding the Fourth Proportional to 2,897.83, 4,346.89 and 818.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897.83 : 4,346.89 = 818.00 : x
2. Step 2: Convert to fraction form
   2,897.83/4,346.89 = 818.00/x
3. Step 3: Cross multiply
   2,897.83x = 4,346.89 × 818.00
4. Step 4: Simplify right side
   2,897.83x = 3,555,750.84
5. Step 5: Solve for x
   x = 3,555,750.84/2,897.83
6. Step 6: Final answer
   x = 1,227.04