Finding the Fourth Proportional to 2,419.72, 3,626.22 and 1,263.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.72 : 3,626.22 = 1,263.16 : x
2. Step 2: Convert to fraction form
   2,419.72/3,626.22 = 1,263.16/x
3. Step 3: Cross multiply
   2,419.72x = 3,626.22 × 1,263.16
4. Step 4: Simplify right side
   2,419.72x = 4,580,496.06
5. Step 5: Solve for x
   x = 4,580,496.06/2,419.72
6. Step 6: Final answer
   x = 1,892.99