Finding the Fourth Proportional to 1,789.32, 2,467.89 and 1,199.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.32 : 2,467.89 = 1,199.64 : x
2. Step 2: Convert to fraction form
   1,789.32/2,467.89 = 1,199.64/x
3. Step 3: Cross multiply
   1,789.32x = 2,467.89 × 1,199.64
4. Step 4: Simplify right side
   1,789.32x = 2,960,579.56
5. Step 5: Solve for x
   x = 2,960,579.56/1,789.32
6. Step 6: Final answer
   x = 1,654.58