Finding the Fourth Proportional to 1,054.89, 1,582.56 and 362.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054.89 : 1,582.56 = 362.07 : x
2. Step 2: Convert to fraction form
   1,054.89/1,582.56 = 362.07/x
3. Step 3: Cross multiply
   1,054.89x = 1,582.56 × 362.07
4. Step 4: Simplify right side
   1,054.89x = 572,997.50
5. Step 5: Solve for x
   x = 572,997.50/1,054.89
6. Step 6: Final answer
   x = 543.18