Finding the Fourth Proportional to 2,042.06, 2,817.38 and 1,203.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.06 : 2,817.38 = 1,203.05 : x
2. Step 2: Convert to fraction form
   2,042.06/2,817.38 = 1,203.05/x
3. Step 3: Cross multiply
   2,042.06x = 2,817.38 × 1,203.05
4. Step 4: Simplify right side
   2,042.06x = 3,389,428.91
5. Step 5: Solve for x
   x = 3,389,428.91/2,042.06
6. Step 6: Final answer
   x = 1,659.81