Finding the Fourth Proportional to 1,560.00, 2,152.72 and 896.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560.00 : 2,152.72 = 896.70 : x
2. Step 2: Convert to fraction form
   1,560.00/2,152.72 = 896.70/x
3. Step 3: Cross multiply
   1,560.00x = 2,152.72 × 896.70
4. Step 4: Simplify right side
   1,560.00x = 1,930,331.02
5. Step 5: Solve for x
   x = 1,930,331.02/1,560.00
6. Step 6: Final answer
   x = 1,237.40