Finding the Fourth Proportional to 2,092.83, 3,137.62 and 1,213.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.83 : 3,137.62 = 1,213.98 : x
2. Step 2: Convert to fraction form
   2,092.83/3,137.62 = 1,213.98/x
3. Step 3: Cross multiply
   2,092.83x = 3,137.62 × 1,213.98
4. Step 4: Simplify right side
   2,092.83x = 3,809,007.93
5. Step 5: Solve for x
   x = 3,809,007.93/2,092.83
6. Step 6: Final answer
   x = 1,820.03