Finding the Fourth Proportional to 2,427.62, 3,633.59 and 1,256.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.62 : 3,633.59 = 1,256.01 : x
2. Step 2: Convert to fraction form
   2,427.62/3,633.59 = 1,256.01/x
3. Step 3: Cross multiply
   2,427.62x = 3,633.59 × 1,256.01
4. Step 4: Simplify right side
   2,427.62x = 4,563,810.35
5. Step 5: Solve for x
   x = 4,563,810.35/2,427.62
6. Step 6: Final answer
   x = 1,879.95