Finding the Fourth Proportional to 1,789.56, 2,680.89 and 1,094.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.56 : 2,680.89 = 1,094.22 : x
2. Step 2: Convert to fraction form
   1,789.56/2,680.89 = 1,094.22/x
3. Step 3: Cross multiply
   1,789.56x = 2,680.89 × 1,094.22
4. Step 4: Simplify right side
   1,789.56x = 2,933,483.46
5. Step 5: Solve for x
   x = 2,933,483.46/1,789.56
6. Step 6: Final answer
   x = 1,639.22