Finding the Fourth Proportional to 1,074.89, 1,483.53 and 632.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.89 : 1,483.53 = 632.81 : x
2. Step 2: Convert to fraction form
   1,074.89/1,483.53 = 632.81/x
3. Step 3: Cross multiply
   1,074.89x = 1,483.53 × 632.81
4. Step 4: Simplify right side
   1,074.89x = 938,785.20
5. Step 5: Solve for x
   x = 938,785.20/1,074.89
6. Step 6: Final answer
   x = 873.38