Finding the Fourth Proportional to 2,077.34, 3,116.19 and 1,254.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.34 : 3,116.19 = 1,254.38 : x
2. Step 2: Convert to fraction form
   2,077.34/3,116.19 = 1,254.38/x
3. Step 3: Cross multiply
   2,077.34x = 3,116.19 × 1,254.38
4. Step 4: Simplify right side
   2,077.34x = 3,908,870.83
5. Step 5: Solve for x
   x = 3,908,870.83/2,077.34
6. Step 6: Final answer
   x = 1,881.68