Finding the Fourth Proportional to 3,426.67, 4,728.89 and 1,934.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426.67 : 4,728.89 = 1,934.72 : x
2. Step 2: Convert to fraction form
   3,426.67/4,728.89 = 1,934.72/x
3. Step 3: Cross multiply
   3,426.67x = 4,728.89 × 1,934.72
4. Step 4: Simplify right side
   3,426.67x = 9,149,094.72
5. Step 5: Solve for x
   x = 9,149,094.72/3,426.67
6. Step 6: Final answer
   x = 2,669.97