Finding the Fourth Proportional to 1,072.54, 1,479.55 and 700.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072.54 : 1,479.55 = 700.14 : x
2. Step 2: Convert to fraction form
   1,072.54/1,479.55 = 700.14/x
3. Step 3: Cross multiply
   1,072.54x = 1,479.55 × 700.14
4. Step 4: Simplify right side
   1,072.54x = 1,035,892.14
5. Step 5: Solve for x
   x = 1,035,892.14/1,072.54
6. Step 6: Final answer
   x = 965.83