Finding the Fourth Proportional to 1,786.77, 2,465.77 and 1,030.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.77 : 2,465.77 = 1,030.38 : x
2. Step 2: Convert to fraction form
   1,786.77/2,465.77 = 1,030.38/x
3. Step 3: Cross multiply
   1,786.77x = 2,465.77 × 1,030.38
4. Step 4: Simplify right side
   1,786.77x = 2,540,662.61
5. Step 5: Solve for x
   x = 2,540,662.61/1,786.77
6. Step 6: Final answer
   x = 1,421.93