Finding the Fourth Proportional to 1,527, 2,107.56 and 897.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527 : 2,107.56 = 897.82 : x
2. Step 2: Convert to fraction form
   1,527/2,107.56 = 897.82/x
3. Step 3: Cross multiply
   1,527x = 2,107.56 × 897.82
4. Step 4: Simplify right side
   1,527x = 1,892,209.52
5. Step 5: Solve for x
   x = 1,892,209.52/1,527
6. Step 6: Final answer
   x = 1,239.17