Finding the Fourth Proportional to 1,517.16, 2,093.31 and 887.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.16 : 2,093.31 = 887.34 : x
2. Step 2: Convert to fraction form
   1,517.16/2,093.31 = 887.34/x
3. Step 3: Cross multiply
   1,517.16x = 2,093.31 × 887.34
4. Step 4: Simplify right side
   1,517.16x = 1,857,477.70
5. Step 5: Solve for x
   x = 1,857,477.70/1,517.16
6. Step 6: Final answer
   x = 1,224.31