Finding the Fourth Proportional to 978.37, 1,350.15 and 536.27

Step by Step Solution

1. Step 1: Write the proportion equation
   978.37 : 1,350.15 = 536.27 : x
2. Step 2: Convert to fraction form
   978.37/1,350.15 = 536.27/x
3. Step 3: Cross multiply
   978.37x = 1,350.15 × 536.27
4. Step 4: Simplify right side
   978.37x = 724,044.94
5. Step 5: Solve for x
   x = 724,044.94/978.37
6. Step 6: Final answer
   x = 740.05