Finding the Fourth Proportional to 2,546.96, 3,820.55 and 903.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.96 : 3,820.55 = 903.69 : x
2. Step 2: Convert to fraction form
   2,546.96/3,820.55 = 903.69/x
3. Step 3: Cross multiply
   2,546.96x = 3,820.55 × 903.69
4. Step 4: Simplify right side
   2,546.96x = 3,452,588.31
5. Step 5: Solve for x
   x = 3,452,588.31/2,546.96
6. Step 6: Final answer
   x = 1,355.57