Finding the Fourth Proportional to 1,994.50, 2,992.37 and 1,021.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.50 : 2,992.37 = 1,021.29 : x
2. Step 2: Convert to fraction form
   1,994.50/2,992.37 = 1,021.29/x
3. Step 3: Cross multiply
   1,994.50x = 2,992.37 × 1,021.29
4. Step 4: Simplify right side
   1,994.50x = 3,056,061.23
5. Step 5: Solve for x
   x = 3,056,061.23/1,994.50
6. Step 6: Final answer
   x = 1,532.24