Finding the Fourth Proportional to 1,346.01, 1,857.57 and 897.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.01 : 1,857.57 = 897.11 : x
2. Step 2: Convert to fraction form
   1,346.01/1,857.57 = 897.11/x
3. Step 3: Cross multiply
   1,346.01x = 1,857.57 × 897.11
4. Step 4: Simplify right side
   1,346.01x = 1,666,435.33
5. Step 5: Solve for x
   x = 1,666,435.33/1,346.01
6. Step 6: Final answer
   x = 1,238.06