Finding the Fourth Proportional to 4,503.31, 6,738.03 and 3,119.34

Step by Step Solution

1. Step 1: Write the proportion equation
   4,503.31 : 6,738.03 = 3,119.34 : x
2. Step 2: Convert to fraction form
   4,503.31/6,738.03 = 3,119.34/x
3. Step 3: Cross multiply
   4,503.31x = 6,738.03 × 3,119.34
4. Step 4: Simplify right side
   4,503.31x = 21,018,206.50
5. Step 5: Solve for x
   x = 21,018,206.50/4,503.31
6. Step 6: Final answer
   x = 4,667.28