Finding the Fourth Proportional to 1,004.69, 1,387.32 and 632.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004.69 : 1,387.32 = 632.29 : x
2. Step 2: Convert to fraction form
   1,004.69/1,387.32 = 632.29/x
3. Step 3: Cross multiply
   1,004.69x = 1,387.32 × 632.29
4. Step 4: Simplify right side
   1,004.69x = 877,188.56
5. Step 5: Solve for x
   x = 877,188.56/1,004.69
6. Step 6: Final answer
   x = 873.09