Finding the Fourth Proportional to 2,422.56, 3,632.16 and 1,269.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.56 : 3,632.16 = 1,269.12 : x
2. Step 2: Convert to fraction form
   2,422.56/3,632.16 = 1,269.12/x
3. Step 3: Cross multiply
   2,422.56x = 3,632.16 × 1,269.12
4. Step 4: Simplify right side
   2,422.56x = 4,609,646.90
5. Step 5: Solve for x
   x = 4,609,646.90/2,422.56
6. Step 6: Final answer
   x = 1,902.80