Finding the Fourth Proportional to 1,052.01, 1,450.71 and 912.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052.01 : 1,450.71 = 912.06 : x
2. Step 2: Convert to fraction form
   1,052.01/1,450.71 = 912.06/x
3. Step 3: Cross multiply
   1,052.01x = 1,450.71 × 912.06
4. Step 4: Simplify right side
   1,052.01x = 1,323,134.56
5. Step 5: Solve for x
   x = 1,323,134.56/1,052.01
6. Step 6: Final answer
   x = 1,257.72