Finding the Fourth Proportional to 2,067.55, 3,096.31 and 972.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.55 : 3,096.31 = 972.23 : x
2. Step 2: Convert to fraction form
   2,067.55/3,096.31 = 972.23/x
3. Step 3: Cross multiply
   2,067.55x = 3,096.31 × 972.23
4. Step 4: Simplify right side
   2,067.55x = 3,010,307.56
5. Step 5: Solve for x
   x = 3,010,307.56/2,067.55
6. Step 6: Final answer
   x = 1,455.98