Finding the Fourth Proportional to 1,785.06, 2,463.33 and 999.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,785.06 : 2,463.33 = 999.12 : x
2. Step 2: Convert to fraction form
   1,785.06/2,463.33 = 999.12/x
3. Step 3: Cross multiply
   1,785.06x = 2,463.33 × 999.12
4. Step 4: Simplify right side
   1,785.06x = 2,461,162.27
5. Step 5: Solve for x
   x = 2,461,162.27/1,785.06
6. Step 6: Final answer
   x = 1,378.76