Finding the Fourth Proportional to 2,256.24, 3,113.76 and 1,372.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.24 : 3,113.76 = 1,372.08 : x
2. Step 2: Convert to fraction form
   2,256.24/3,113.76 = 1,372.08/x
3. Step 3: Cross multiply
   2,256.24x = 3,113.76 × 1,372.08
4. Step 4: Simplify right side
   2,256.24x = 4,272,327.82
5. Step 5: Solve for x
   x = 4,272,327.82/2,256.24
6. Step 6: Final answer
   x = 1,893.56