Finding the Fourth Proportional to 2,662.30, 3,994.20 and 1,201.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.30 : 3,994.20 = 1,201.42 : x
2. Step 2: Convert to fraction form
   2,662.30/3,994.20 = 1,201.42/x
3. Step 3: Cross multiply
   2,662.30x = 3,994.20 × 1,201.42
4. Step 4: Simplify right side
   2,662.30x = 4,798,711.76
5. Step 5: Solve for x
   x = 4,798,711.76/2,662.30
6. Step 6: Final answer
   x = 1,802.47