Finding the Fourth Proportional to 2,544.86, 3,817.59 and 901.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.86 : 3,817.59 = 901.07 : x
2. Step 2: Convert to fraction form
   2,544.86/3,817.59 = 901.07/x
3. Step 3: Cross multiply
   2,544.86x = 3,817.59 × 901.07
4. Step 4: Simplify right side
   2,544.86x = 3,439,915.82
5. Step 5: Solve for x
   x = 3,439,915.82/2,544.86
6. Step 6: Final answer
   x = 1,351.71