Finding the Fourth Proportional to 1,056.42, 1,584.69 and 363.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056.42 : 1,584.69 = 363.16 : x
2. Step 2: Convert to fraction form
   1,056.42/1,584.69 = 363.16/x
3. Step 3: Cross multiply
   1,056.42x = 1,584.69 × 363.16
4. Step 4: Simplify right side
   1,056.42x = 575,499.37
5. Step 5: Solve for x
   x = 575,499.37/1,056.42
6. Step 6: Final answer
   x = 544.76