Finding the Fourth Proportional to 3,434.84, 4,738.34 and 2,173.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434.84 : 4,738.34 = 2,173.78 : x
2. Step 2: Convert to fraction form
   3,434.84/4,738.34 = 2,173.78/x
3. Step 3: Cross multiply
   3,434.84x = 4,738.34 × 2,173.78
4. Step 4: Simplify right side
   3,434.84x = 10,300,108.73
5. Step 5: Solve for x
   x = 10,300,108.73/3,434.84
6. Step 6: Final answer
   x = 2,998.72