Finding the Fourth Proportional to 7,320.80, 10,973.32 and 3,162.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,320.80 : 10,973.32 = 3,162.77 : x
2. Step 2: Convert to fraction form
   7,320.80/10,973.32 = 3,162.77/x
3. Step 3: Cross multiply
   7,320.80x = 10,973.32 × 3,162.77
4. Step 4: Simplify right side
   7,320.80x = 34,706,087.30
5. Step 5: Solve for x
   x = 34,706,087.30/7,320.80
6. Step 6: Final answer
   x = 4,740.75