Finding the Fourth Proportional to 2,404.48, 3,607.44 and 1,235.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.48 : 3,607.44 = 1,235.20 : x
2. Step 2: Convert to fraction form
   2,404.48/3,607.44 = 1,235.20/x
3. Step 3: Cross multiply
   2,404.48x = 3,607.44 × 1,235.20
4. Step 4: Simplify right side
   2,404.48x = 4,455,909.89
5. Step 5: Solve for x
   x = 4,455,909.89/2,404.48
6. Step 6: Final answer
   x = 1,853.17