Finding the Fourth Proportional to 1,034.21, 1,554 and 966.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.21 : 1,554 = 966.72 : x
2. Step 2: Convert to fraction form
   1,034.21/1,554 = 966.72/x
3. Step 3: Cross multiply
   1,034.21x = 1,554 × 966.72
4. Step 4: Simplify right side
   1,034.21x = 1,502,282.88
5. Step 5: Solve for x
   x = 1,502,282.88/1,034.21
6. Step 6: Final answer
   x = 1,452.59