Finding the Fourth Proportional to 2,077.30, 3,112.17 and 1,208.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.30 : 3,112.17 = 1,208.98 : x
2. Step 2: Convert to fraction form
   2,077.30/3,112.17 = 1,208.98/x
3. Step 3: Cross multiply
   2,077.30x = 3,112.17 × 1,208.98
4. Step 4: Simplify right side
   2,077.30x = 3,762,551.29
5. Step 5: Solve for x
   x = 3,762,551.29/2,077.30
6. Step 6: Final answer
   x = 1,811.27