Finding the Fourth Proportional to 1,073.89, 1,482.62 and 1,007.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.89 : 1,482.62 = 1,007.71 : x
2. Step 2: Convert to fraction form
   1,073.89/1,482.62 = 1,007.71/x
3. Step 3: Cross multiply
   1,073.89x = 1,482.62 × 1,007.71
4. Step 4: Simplify right side
   1,073.89x = 1,494,051.00
5. Step 5: Solve for x
   x = 1,494,051.00/1,073.89
6. Step 6: Final answer
   x = 1,391.25