Finding the Fourth Proportional to 1,786.02, 2,678.06 and 995.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.02 : 2,678.06 = 995.61 : x
2. Step 2: Convert to fraction form
   1,786.02/2,678.06 = 995.61/x
3. Step 3: Cross multiply
   1,786.02x = 2,678.06 × 995.61
4. Step 4: Simplify right side
   1,786.02x = 2,666,298.34
5. Step 5: Solve for x
   x = 2,666,298.34/1,786.02
6. Step 6: Final answer
   x = 1,492.87