Finding the Fourth Proportional to 7,331.98, 10,995.20 and 2,947.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,331.98 : 10,995.20 = 2,947.94 : x
2. Step 2: Convert to fraction form
   7,331.98/10,995.20 = 2,947.94/x
3. Step 3: Cross multiply
   7,331.98x = 10,995.20 × 2,947.94
4. Step 4: Simplify right side
   7,331.98x = 32,413,189.89
5. Step 5: Solve for x
   x = 32,413,189.89/7,331.98
6. Step 6: Final answer
   x = 4,420.80