Finding the Fourth Proportional to 3,535.78, 5,300.16 and 1,976.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,535.78 : 5,300.16 = 1,976.44 : x
2. Step 2: Convert to fraction form
   3,535.78/5,300.16 = 1,976.44/x
3. Step 3: Cross multiply
   3,535.78x = 5,300.16 × 1,976.44
4. Step 4: Simplify right side
   3,535.78x = 10,475,448.23
5. Step 5: Solve for x
   x = 10,475,448.23/3,535.78
6. Step 6: Final answer
   x = 2,962.70