Finding the Fourth Proportional to 2,108.00, 2,901.89 and 1,811.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.00 : 2,901.89 = 1,811.54 : x
2. Step 2: Convert to fraction form
   2,108.00/2,901.89 = 1,811.54/x
3. Step 3: Cross multiply
   2,108.00x = 2,901.89 × 1,811.54
4. Step 4: Simplify right side
   2,108.00x = 5,256,875.30
5. Step 5: Solve for x
   x = 5,256,875.30/2,108.00
6. Step 6: Final answer
   x = 2,493.78