Finding the Fourth Proportional to 1,074.69, 1,483.10 and 632.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.69 : 1,483.10 = 632.70 : x
2. Step 2: Convert to fraction form
   1,074.69/1,483.10 = 632.70/x
3. Step 3: Cross multiply
   1,074.69x = 1,483.10 × 632.70
4. Step 4: Simplify right side
   1,074.69x = 938,354.21
5. Step 5: Solve for x
   x = 938,354.21/1,074.69
6. Step 6: Final answer
   x = 873.14