Finding the Fourth Proportional to 2,321.58, 3,199.16 and 1,656.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.58 : 3,199.16 = 1,656.56 : x
2. Step 2: Convert to fraction form
   2,321.58/3,199.16 = 1,656.56/x
3. Step 3: Cross multiply
   2,321.58x = 3,199.16 × 1,656.56
4. Step 4: Simplify right side
   2,321.58x = 5,299,600.49
5. Step 5: Solve for x
   x = 5,299,600.49/2,321.58
6. Step 6: Final answer
   x = 2,282.76