Finding the Fourth Proportional to 2,077.36, 3,116.06 and 1,426.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.36 : 3,116.06 = 1,426.12 : x
2. Step 2: Convert to fraction form
   2,077.36/3,116.06 = 1,426.12/x
3. Step 3: Cross multiply
   2,077.36x = 3,116.06 × 1,426.12
4. Step 4: Simplify right side
   2,077.36x = 4,443,875.49
5. Step 5: Solve for x
   x = 4,443,875.49/2,077.36
6. Step 6: Final answer
   x = 2,139.19