Finding the Fourth Proportional to 1,363.80, 1,884.06 and 1,260.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.80 : 1,884.06 = 1,260.12 : x
2. Step 2: Convert to fraction form
   1,363.80/1,884.06 = 1,260.12/x
3. Step 3: Cross multiply
   1,363.80x = 1,884.06 × 1,260.12
4. Step 4: Simplify right side
   1,363.80x = 2,374,141.69
5. Step 5: Solve for x
   x = 2,374,141.69/1,363.80
6. Step 6: Final answer
   x = 1,740.83