Finding the Fourth Proportional to 2,319.58, 3,196.40 and 1,654.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,319.58 : 3,196.40 = 1,654.56 : x
2. Step 2: Convert to fraction form
   2,319.58/3,196.40 = 1,654.56/x
3. Step 3: Cross multiply
   2,319.58x = 3,196.40 × 1,654.56
4. Step 4: Simplify right side
   2,319.58x = 5,288,635.58
5. Step 5: Solve for x
   x = 5,288,635.58/2,319.58
6. Step 6: Final answer
   x = 2,280.00