Finding the Fourth Proportional to 1,377.37, 2,068.91 and 1,114.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377.37 : 2,068.91 = 1,114.12 : x
2. Step 2: Convert to fraction form
   1,377.37/2,068.91 = 1,114.12/x
3. Step 3: Cross multiply
   1,377.37x = 2,068.91 × 1,114.12
4. Step 4: Simplify right side
   1,377.37x = 2,305,014.01
5. Step 5: Solve for x
   x = 2,305,014.01/1,377.37
6. Step 6: Final answer
   x = 1,673.49