Finding the Fourth Proportional to 2,019.93, 3,030.84 and 1,199.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.93 : 3,030.84 = 1,199.82 : x
2. Step 2: Convert to fraction form
   2,019.93/3,030.84 = 1,199.82/x
3. Step 3: Cross multiply
   2,019.93x = 3,030.84 × 1,199.82
4. Step 4: Simplify right side
   2,019.93x = 3,636,462.45
5. Step 5: Solve for x
   x = 3,636,462.45/2,019.93
6. Step 6: Final answer
   x = 1,800.29