Finding the Fourth Proportional to 2,378.82, 3,283.84 and 1,583.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378.82 : 3,283.84 = 1,583.55 : x
2. Step 2: Convert to fraction form
   2,378.82/3,283.84 = 1,583.55/x
3. Step 3: Cross multiply
   2,378.82x = 3,283.84 × 1,583.55
4. Step 4: Simplify right side
   2,378.82x = 5,200,124.83
5. Step 5: Solve for x
   x = 5,200,124.83/2,378.82
6. Step 6: Final answer
   x = 2,186.01