Finding the Fourth Proportional to 2,100.00, 2,898.12 and 1,203.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.00 : 2,898.12 = 1,203.89 : x
2. Step 2: Convert to fraction form
   2,100.00/2,898.12 = 1,203.89/x
3. Step 3: Cross multiply
   2,100.00x = 2,898.12 × 1,203.89
4. Step 4: Simplify right side
   2,100.00x = 3,489,007.43
5. Step 5: Solve for x
   x = 3,489,007.43/2,100.00
6. Step 6: Final answer
   x = 1,661.43