Finding the Fourth Proportional to 1,426.52, 1,968.30 and 1,072.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.52 : 1,968.30 = 1,072.82 : x
2. Step 2: Convert to fraction form
   1,426.52/1,968.30 = 1,072.82/x
3. Step 3: Cross multiply
   1,426.52x = 1,968.30 × 1,072.82
4. Step 4: Simplify right side
   1,426.52x = 2,111,631.61
5. Step 5: Solve for x
   x = 2,111,631.61/1,426.52
6. Step 6: Final answer
   x = 1,480.27