Finding the Fourth Proportional to 1,363.98, 1,883.07 and 910.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.98 : 1,883.07 = 910.10 : x
2. Step 2: Convert to fraction form
   1,363.98/1,883.07 = 910.10/x
3. Step 3: Cross multiply
   1,363.98x = 1,883.07 × 910.10
4. Step 4: Simplify right side
   1,363.98x = 1,713,772.59
5. Step 5: Solve for x
   x = 1,713,772.59/1,363.98
6. Step 6: Final answer
   x = 1,256.45