Finding the Fourth Proportional to 1,422.03, 1,962.03 and 897.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.03 : 1,962.03 = 897.76 : x
2. Step 2: Convert to fraction form
   1,422.03/1,962.03 = 897.76/x
3. Step 3: Cross multiply
   1,422.03x = 1,962.03 × 897.76
4. Step 4: Simplify right side
   1,422.03x = 1,761,432.05
5. Step 5: Solve for x
   x = 1,761,432.05/1,422.03
6. Step 6: Final answer
   x = 1,238.67