Finding the Fourth Proportional to 2,066.20, 3,101.22 and 1,415.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.20 : 3,101.22 = 1,415.32 : x
2. Step 2: Convert to fraction form
   2,066.20/3,101.22 = 1,415.32/x
3. Step 3: Cross multiply
   2,066.20x = 3,101.22 × 1,415.32
4. Step 4: Simplify right side
   2,066.20x = 4,389,218.69
5. Step 5: Solve for x
   x = 4,389,218.69/2,066.20
6. Step 6: Final answer
   x = 2,124.30