Finding the Fourth Proportional to 4,738.50, 7,109.78 and 1,816.43

Step by Step Solution

1. Step 1: Write the proportion equation
   4,738.50 : 7,109.78 = 1,816.43 : x
2. Step 2: Convert to fraction form
   4,738.50/7,109.78 = 1,816.43/x
3. Step 3: Cross multiply
   4,738.50x = 7,109.78 × 1,816.43
4. Step 4: Simplify right side
   4,738.50x = 12,914,373.05
5. Step 5: Solve for x
   x = 12,914,373.05/4,738.50
6. Step 6: Final answer
   x = 2,725.41