Finding the Fourth Proportional to 2,100.39, 2,897.96 and 1,204.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.39 : 2,897.96 = 1,204.13 : x
2. Step 2: Convert to fraction form
   2,100.39/2,897.96 = 1,204.13/x
3. Step 3: Cross multiply
   2,100.39x = 2,897.96 × 1,204.13
4. Step 4: Simplify right side
   2,100.39x = 3,489,500.06
5. Step 5: Solve for x
   x = 3,489,500.06/2,100.39
6. Step 6: Final answer
   x = 1,661.36