Finding the Fourth Proportional to 1,994.22, 2,990.52 and 695.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.22 : 2,990.52 = 695.25 : x
2. Step 2: Convert to fraction form
   1,994.22/2,990.52 = 695.25/x
3. Step 3: Cross multiply
   1,994.22x = 2,990.52 × 695.25
4. Step 4: Simplify right side
   1,994.22x = 2,079,159.03
5. Step 5: Solve for x
   x = 2,079,159.03/1,994.22
6. Step 6: Final answer
   x = 1,042.59