Finding the Fourth Proportional to 1,994.18, 2,988.38 and 1,018.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.18 : 2,988.38 = 1,018.94 : x
2. Step 2: Convert to fraction form
   1,994.18/2,988.38 = 1,018.94/x
3. Step 3: Cross multiply
   1,994.18x = 2,988.38 × 1,018.94
4. Step 4: Simplify right side
   1,994.18x = 3,044,979.92
5. Step 5: Solve for x
   x = 3,044,979.92/1,994.18
6. Step 6: Final answer
   x = 1,526.93