Finding the Fourth Proportional to 949.82, 1,310.72 and 530.15

Step by Step Solution

1. Step 1: Write the proportion equation
   949.82 : 1,310.72 = 530.15 : x
2. Step 2: Convert to fraction form
   949.82/1,310.72 = 530.15/x
3. Step 3: Cross multiply
   949.82x = 1,310.72 × 530.15
4. Step 4: Simplify right side
   949.82x = 694,875.56
5. Step 5: Solve for x
   x = 694,875.56/949.82
6. Step 6: Final answer
   x = 731.59