Finding the Fourth Proportional to 1,662.11, 2,294.69 and 1,477.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.11 : 2,294.69 = 1,477.60 : x
2. Step 2: Convert to fraction form
   1,662.11/2,294.69 = 1,477.60/x
3. Step 3: Cross multiply
   1,662.11x = 2,294.69 × 1,477.60
4. Step 4: Simplify right side
   1,662.11x = 3,390,633.94
5. Step 5: Solve for x
   x = 3,390,633.94/1,662.11
6. Step 6: Final answer
   x = 2,039.96