Finding the Fourth Proportional to 1,063.48, 1,467.34 and 690.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.48 : 1,467.34 = 690.47 : x
2. Step 2: Convert to fraction form
   1,063.48/1,467.34 = 690.47/x
3. Step 3: Cross multiply
   1,063.48x = 1,467.34 × 690.47
4. Step 4: Simplify right side
   1,063.48x = 1,013,160.89
5. Step 5: Solve for x
   x = 1,013,160.89/1,063.48
6. Step 6: Final answer
   x = 952.69