Finding the Fourth Proportional to 1,994.27, 2,989.43 and 953.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.27 : 2,989.43 = 953.06 : x
2. Step 2: Convert to fraction form
   1,994.27/2,989.43 = 953.06/x
3. Step 3: Cross multiply
   1,994.27x = 2,989.43 × 953.06
4. Step 4: Simplify right side
   1,994.27x = 2,849,106.83
5. Step 5: Solve for x
   x = 2,849,106.83/1,994.27
6. Step 6: Final answer
   x = 1,428.64