Finding the Fourth Proportional to 7,079.01, 10,608.42 and 5,215.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,079.01 : 10,608.42 = 5,215.47 : x
2. Step 2: Convert to fraction form
   7,079.01/10,608.42 = 5,215.47/x
3. Step 3: Cross multiply
   7,079.01x = 10,608.42 × 5,215.47
4. Step 4: Simplify right side
   7,079.01x = 55,327,896.26
5. Step 5: Solve for x
   x = 55,327,896.26/7,079.01
6. Step 6: Final answer
   x = 7,815.77