Finding the Fourth Proportional to 2,019.16, 3,031.44 and 1,953.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.16 : 3,031.44 = 1,953.55 : x
2. Step 2: Convert to fraction form
   2,019.16/3,031.44 = 1,953.55/x
3. Step 3: Cross multiply
   2,019.16x = 3,031.44 × 1,953.55
4. Step 4: Simplify right side
   2,019.16x = 5,922,069.61
5. Step 5: Solve for x
   x = 5,922,069.61/2,019.16
6. Step 6: Final answer
   x = 2,932.94