Finding the Fourth Proportional to 754.82, 1,131.59 and 524.15

Step by Step Solution

1. Step 1: Write the proportion equation
   754.82 : 1,131.59 = 524.15 : x
2. Step 2: Convert to fraction form
   754.82/1,131.59 = 524.15/x
3. Step 3: Cross multiply
   754.82x = 1,131.59 × 524.15
4. Step 4: Simplify right side
   754.82x = 593,127.04
5. Step 5: Solve for x
   x = 593,127.04/754.82
6. Step 6: Final answer
   x = 785.79