Finding the Fourth Proportional to 7,300.43, 10,947.45 and 2,619.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.43 : 10,947.45 = 2,619.34 : x
2. Step 2: Convert to fraction form
   7,300.43/10,947.45 = 2,619.34/x
3. Step 3: Cross multiply
   7,300.43x = 10,947.45 × 2,619.34
4. Step 4: Simplify right side
   7,300.43x = 28,675,076.14
5. Step 5: Solve for x
   x = 28,675,076.14/7,300.43
6. Step 6: Final answer
   x = 3,927.86