Finding the Fourth Proportional to 1,516.57, 2,093.04 and 887.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.57 : 2,093.04 = 887.31 : x
2. Step 2: Convert to fraction form
   1,516.57/2,093.04 = 887.31/x
3. Step 3: Cross multiply
   1,516.57x = 2,093.04 × 887.31
4. Step 4: Simplify right side
   1,516.57x = 1,857,175.32
5. Step 5: Solve for x
   x = 1,857,175.32/1,516.57
6. Step 6: Final answer
   x = 1,224.59