Finding the Fourth Proportional to 1,146.83, 1,718.42 and 887.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.83 : 1,718.42 = 887.46 : x
2. Step 2: Convert to fraction form
   1,146.83/1,718.42 = 887.46/x
3. Step 3: Cross multiply
   1,146.83x = 1,718.42 × 887.46
4. Step 4: Simplify right side
   1,146.83x = 1,525,018.13
5. Step 5: Solve for x
   x = 1,525,018.13/1,146.83
6. Step 6: Final answer
   x = 1,329.77