Finding the Fourth Proportional to 2,544.78, 3,817.55 and 901.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.78 : 3,817.55 = 901.34 : x
2. Step 2: Convert to fraction form
   2,544.78/3,817.55 = 901.34/x
3. Step 3: Cross multiply
   2,544.78x = 3,817.55 × 901.34
4. Step 4: Simplify right side
   2,544.78x = 3,440,886.92
5. Step 5: Solve for x
   x = 3,440,886.92/2,544.78
6. Step 6: Final answer
   x = 1,352.14