Finding the Fourth Proportional to 1,260.96, 1,738.69 and 887.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260.96 : 1,738.69 = 887.82 : x
2. Step 2: Convert to fraction form
   1,260.96/1,738.69 = 887.82/x
3. Step 3: Cross multiply
   1,260.96x = 1,738.69 × 887.82
4. Step 4: Simplify right side
   1,260.96x = 1,543,643.76
5. Step 5: Solve for x
   x = 1,543,643.76/1,260.96
6. Step 6: Final answer
   x = 1,224.18