Finding the Fourth Proportional to 1,004.37, 1,386.15 and 562.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004.37 : 1,386.15 = 562.38 : x
2. Step 2: Convert to fraction form
   1,004.37/1,386.15 = 562.38/x
3. Step 3: Cross multiply
   1,004.37x = 1,386.15 × 562.38
4. Step 4: Simplify right side
   1,004.37x = 779,543.04
5. Step 5: Solve for x
   x = 779,543.04/1,004.37
6. Step 6: Final answer
   x = 776.15