Finding the Fourth Proportional to 2,108.62, 3,162.12 and 1,457.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.62 : 3,162.12 = 1,457.38 : x
2. Step 2: Convert to fraction form
   2,108.62/3,162.12 = 1,457.38/x
3. Step 3: Cross multiply
   2,108.62x = 3,162.12 × 1,457.38
4. Step 4: Simplify right side
   2,108.62x = 4,608,410.45
5. Step 5: Solve for x
   x = 4,608,410.45/2,108.62
6. Step 6: Final answer
   x = 2,185.51