Finding the Fourth Proportional to 7,005.50, 10,509.69 and 2,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.50 : 10,509.69 = 2,901.50 : x
2. Step 2: Convert to fraction form
   7,005.50/10,509.69 = 2,901.50/x
3. Step 3: Cross multiply
   7,005.50x = 10,509.69 × 2,901.50
4. Step 4: Simplify right side
   7,005.50x = 30,493,865.54
5. Step 5: Solve for x
   x = 30,493,865.54/7,005.50
6. Step 6: Final answer
   x = 4,352.85