Finding the Fourth Proportional to 1,789.05, 2,475.45 and 1,556.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.05 : 2,475.45 = 1,556.67 : x
2. Step 2: Convert to fraction form
   1,789.05/2,475.45 = 1,556.67/x
3. Step 3: Cross multiply
   1,789.05x = 2,475.45 × 1,556.67
4. Step 4: Simplify right side
   1,789.05x = 3,853,458.75
5. Step 5: Solve for x
   x = 3,853,458.75/1,789.05
6. Step 6: Final answer
   x = 2,153.91