Finding the Fourth Proportional to 2,983.48, 4,118.69 and 1,865.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.48 : 4,118.69 = 1,865.04 : x
2. Step 2: Convert to fraction form
   2,983.48/4,118.69 = 1,865.04/x
3. Step 3: Cross multiply
   2,983.48x = 4,118.69 × 1,865.04
4. Step 4: Simplify right side
   2,983.48x = 7,681,521.60
5. Step 5: Solve for x
   x = 7,681,521.60/2,983.48
6. Step 6: Final answer
   x = 2,574.69