Finding the Fourth Proportional to 7,105.04, 10,659.77 and 2,947.01

Step by Step Solution

1. Step 1: Write the proportion equation
   7,105.04 : 10,659.77 = 2,947.01 : x
2. Step 2: Convert to fraction form
   7,105.04/10,659.77 = 2,947.01/x
3. Step 3: Cross multiply
   7,105.04x = 10,659.77 × 2,947.01
4. Step 4: Simplify right side
   7,105.04x = 31,414,380.75
5. Step 5: Solve for x
   x = 31,414,380.75/7,105.04
6. Step 6: Final answer
   x = 4,421.43