Finding the Fourth Proportional to 2,079.37, 3,116.98 and 1,155.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.37 : 3,116.98 = 1,155.34 : x
2. Step 2: Convert to fraction form
   2,079.37/3,116.98 = 1,155.34/x
3. Step 3: Cross multiply
   2,079.37x = 3,116.98 × 1,155.34
4. Step 4: Simplify right side
   2,079.37x = 3,601,150.31
5. Step 5: Solve for x
   x = 3,601,150.31/2,079.37
6. Step 6: Final answer
   x = 1,731.85