Finding the Fourth Proportional to 1,516.50, 2,272.56 and 867.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.50 : 2,272.56 = 867.42 : x
2. Step 2: Convert to fraction form
   1,516.50/2,272.56 = 867.42/x
3. Step 3: Cross multiply
   1,516.50x = 2,272.56 × 867.42
4. Step 4: Simplify right side
   1,516.50x = 1,971,264.00
5. Step 5: Solve for x
   x = 1,971,264.00/1,516.50
6. Step 6: Final answer
   x = 1,299.88