Finding the Fourth Proportional to 1,516.32, 2,092.52 and 887.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.32 : 2,092.52 = 887.28 : x
2. Step 2: Convert to fraction form
   1,516.32/2,092.52 = 887.28/x
3. Step 3: Cross multiply
   1,516.32x = 2,092.52 × 887.28
4. Step 4: Simplify right side
   1,516.32x = 1,856,651.15
5. Step 5: Solve for x
   x = 1,856,651.15/1,516.32
6. Step 6: Final answer
   x = 1,224.45