Finding the Fourth Proportional to 1,004.39, 1,385.91 and 562.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004.39 : 1,385.91 = 562.29 : x
2. Step 2: Convert to fraction form
   1,004.39/1,385.91 = 562.29/x
3. Step 3: Cross multiply
   1,004.39x = 1,385.91 × 562.29
4. Step 4: Simplify right side
   1,004.39x = 779,283.33
5. Step 5: Solve for x
   x = 779,283.33/1,004.39
6. Step 6: Final answer
   x = 775.88