Finding the Fourth Proportional to 2,007.32, 3,015.60 and 1,423.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.32 : 3,015.60 = 1,423.77 : x
2. Step 2: Convert to fraction form
   2,007.32/3,015.60 = 1,423.77/x
3. Step 3: Cross multiply
   2,007.32x = 3,015.60 × 1,423.77
4. Step 4: Simplify right side
   2,007.32x = 4,293,504.16
5. Step 5: Solve for x
   x = 4,293,504.16/2,007.32
6. Step 6: Final answer
   x = 2,138.93