Finding the Fourth Proportional to 2,372.27, 3,558.05 and 1,261.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.27 : 3,558.05 = 1,261.25 : x
2. Step 2: Convert to fraction form
   2,372.27/3,558.05 = 1,261.25/x
3. Step 3: Cross multiply
   2,372.27x = 3,558.05 × 1,261.25
4. Step 4: Simplify right side
   2,372.27x = 4,487,593.15
5. Step 5: Solve for x
   x = 4,487,593.15/2,372.27
6. Step 6: Final answer
   x = 1,891.69