Finding the Fourth Proportional to 1,995.89, 2,990.79 and 1,263.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.89 : 2,990.79 = 1,263.24 : x
2. Step 2: Convert to fraction form
   1,995.89/2,990.79 = 1,263.24/x
3. Step 3: Cross multiply
   1,995.89x = 2,990.79 × 1,263.24
4. Step 4: Simplify right side
   1,995.89x = 3,778,085.56
5. Step 5: Solve for x
   x = 3,778,085.56/1,995.89
6. Step 6: Final answer
   x = 1,892.94