Finding the Fourth Proportional to 2,354.56, 3,528.54 and 1,564.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.56 : 3,528.54 = 1,564.85 : x
2. Step 2: Convert to fraction form
   2,354.56/3,528.54 = 1,564.85/x
3. Step 3: Cross multiply
   2,354.56x = 3,528.54 × 1,564.85
4. Step 4: Simplify right side
   2,354.56x = 5,521,644.64
5. Step 5: Solve for x
   x = 5,521,644.64/2,354.56
6. Step 6: Final answer
   x = 2,345.09