Finding the Fourth Proportional to 2,155.33, 2,967.06 and 1,934.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.33 : 2,967.06 = 1,934.20 : x
2. Step 2: Convert to fraction form
   2,155.33/2,967.06 = 1,934.20/x
3. Step 3: Cross multiply
   2,155.33x = 2,967.06 × 1,934.20
4. Step 4: Simplify right side
   2,155.33x = 5,738,887.45
5. Step 5: Solve for x
   x = 5,738,887.45/2,155.33
6. Step 6: Final answer
   x = 2,662.65