Finding the Fourth Proportional to 1,994.17, 2,988.52 and 1,018.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.17 : 2,988.52 = 1,018.23 : x
2. Step 2: Convert to fraction form
   1,994.17/2,988.52 = 1,018.23/x
3. Step 3: Cross multiply
   1,994.17x = 2,988.52 × 1,018.23
4. Step 4: Simplify right side
   1,994.17x = 3,043,000.72
5. Step 5: Solve for x
   x = 3,043,000.72/1,994.17
6. Step 6: Final answer
   x = 1,525.95