Finding the Fourth Proportional to 2,999.98, 4,499.89 and 808.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,999.98 : 4,499.89 = 808.73 : x
2. Step 2: Convert to fraction form
   2,999.98/4,499.89 = 808.73/x
3. Step 3: Cross multiply
   2,999.98x = 4,499.89 × 808.73
4. Step 4: Simplify right side
   2,999.98x = 3,639,196.04
5. Step 5: Solve for x
   x = 3,639,196.04/2,999.98
6. Step 6: Final answer
   x = 1,213.07