Finding the Fourth Proportional to 2,264.89, 3,125.55 and 1,256.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264.89 : 3,125.55 = 1,256.67 : x
2. Step 2: Convert to fraction form
   2,264.89/3,125.55 = 1,256.67/x
3. Step 3: Cross multiply
   2,264.89x = 3,125.55 × 1,256.67
4. Step 4: Simplify right side
   2,264.89x = 3,927,784.92
5. Step 5: Solve for x
   x = 3,927,784.92/2,264.89
6. Step 6: Final answer
   x = 1,734.21