Finding the Fourth Proportional to 2,100.33, 2,898.53 and 1,204.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.33 : 2,898.53 = 1,204.20 : x
2. Step 2: Convert to fraction form
   2,100.33/2,898.53 = 1,204.20/x
3. Step 3: Cross multiply
   2,100.33x = 2,898.53 × 1,204.20
4. Step 4: Simplify right side
   2,100.33x = 3,490,403.81
5. Step 5: Solve for x
   x = 3,490,403.81/2,100.33
6. Step 6: Final answer
   x = 1,661.84