Finding the Fourth Proportional to 2,665.04, 3,994.98 and 1,020.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.04 : 3,994.98 = 1,020.32 : x
2. Step 2: Convert to fraction form
   2,665.04/3,994.98 = 1,020.32/x
3. Step 3: Cross multiply
   2,665.04x = 3,994.98 × 1,020.32
4. Step 4: Simplify right side
   2,665.04x = 4,076,157.99
5. Step 5: Solve for x
   x = 4,076,157.99/2,665.04
6. Step 6: Final answer
   x = 1,529.49