Finding the Fourth Proportional to 2,063.89, 3,091.51 and 910.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.89 : 3,091.51 = 910.45 : x
2. Step 2: Convert to fraction form
   2,063.89/3,091.51 = 910.45/x
3. Step 3: Cross multiply
   2,063.89x = 3,091.51 × 910.45
4. Step 4: Simplify right side
   2,063.89x = 2,814,665.28
5. Step 5: Solve for x
   x = 2,814,665.28/2,063.89
6. Step 6: Final answer
   x = 1,363.77