Finding the Fourth Proportional to 1,560.56, 2,153.72 and 897.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560.56 : 2,153.72 = 897.52 : x
2. Step 2: Convert to fraction form
   1,560.56/2,153.72 = 897.52/x
3. Step 3: Cross multiply
   1,560.56x = 2,153.72 × 897.52
4. Step 4: Simplify right side
   1,560.56x = 1,933,006.77
5. Step 5: Solve for x
   x = 1,933,006.77/1,560.56
6. Step 6: Final answer
   x = 1,238.66