Finding the Fourth Proportional to 2,076.30, 3,110.67 and 1,207.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.30 : 3,110.67 = 1,207.98 : x
2. Step 2: Convert to fraction form
   2,076.30/3,110.67 = 1,207.98/x
3. Step 3: Cross multiply
   2,076.30x = 3,110.67 × 1,207.98
4. Step 4: Simplify right side
   2,076.30x = 3,757,627.15
5. Step 5: Solve for x
   x = 3,757,627.15/2,076.30
6. Step 6: Final answer
   x = 1,809.77