Finding the Fourth Proportional to 2,628.52, 3,943.76 and 897.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.52 : 3,943.76 = 897.12 : x
2. Step 2: Convert to fraction form
   2,628.52/3,943.76 = 897.12/x
3. Step 3: Cross multiply
   2,628.52x = 3,943.76 × 897.12
4. Step 4: Simplify right side
   2,628.52x = 3,538,025.97
5. Step 5: Solve for x
   x = 3,538,025.97/2,628.52
6. Step 6: Final answer
   x = 1,346.01