Finding the Fourth Proportional to 2,196.56, 3,030.96 and 1,264.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.56 : 3,030.96 = 1,264.88 : x
2. Step 2: Convert to fraction form
   2,196.56/3,030.96 = 1,264.88/x
3. Step 3: Cross multiply
   2,196.56x = 3,030.96 × 1,264.88
4. Step 4: Simplify right side
   2,196.56x = 3,833,800.68
5. Step 5: Solve for x
   x = 3,833,800.68/2,196.56
6. Step 6: Final answer
   x = 1,745.37