Finding the Fourth Proportional to 1,012.03, 1,392.01 and 897.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012.03 : 1,392.01 = 897.82 : x
2. Step 2: Convert to fraction form
   1,012.03/1,392.01 = 897.82/x
3. Step 3: Cross multiply
   1,012.03x = 1,392.01 × 897.82
4. Step 4: Simplify right side
   1,012.03x = 1,249,774.42
5. Step 5: Solve for x
   x = 1,249,774.42/1,012.03
6. Step 6: Final answer
   x = 1,234.92