Finding the Fourth Proportional to 2,108.58, 3,155.58 and 1,456.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.58 : 3,155.58 = 1,456.53 : x
2. Step 2: Convert to fraction form
   2,108.58/3,155.58 = 1,456.53/x
3. Step 3: Cross multiply
   2,108.58x = 3,155.58 × 1,456.53
4. Step 4: Simplify right side
   2,108.58x = 4,596,196.94
5. Step 5: Solve for x
   x = 4,596,196.94/2,108.58
6. Step 6: Final answer
   x = 2,179.76