Finding the Fourth Proportional to 7,116.24, 9,820.48 and 3,973.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,116.24 : 9,820.48 = 3,973.12 : x
2. Step 2: Convert to fraction form
   7,116.24/9,820.48 = 3,973.12/x
3. Step 3: Cross multiply
   7,116.24x = 9,820.48 × 3,973.12
4. Step 4: Simplify right side
   7,116.24x = 39,017,945.50
5. Step 5: Solve for x
   x = 39,017,945.50/7,116.24
6. Step 6: Final answer
   x = 5,482.94