Finding the Fourth Proportional to 1,889.83, 2,815.58 and 1,796.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.83 : 2,815.58 = 1,796.89 : x
2. Step 2: Convert to fraction form
   1,889.83/2,815.58 = 1,796.89/x
3. Step 3: Cross multiply
   1,889.83x = 2,815.58 × 1,796.89
4. Step 4: Simplify right side
   1,889.83x = 5,059,287.55
5. Step 5: Solve for x
   x = 5,059,287.55/1,889.83
6. Step 6: Final answer
   x = 2,677.11