Finding the Fourth Proportional to 1,130.29, 1,559.72 and 632.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,130.29 : 1,559.72 = 632.81 : x
2. Step 2: Convert to fraction form
   1,130.29/1,559.72 = 632.81/x
3. Step 3: Cross multiply
   1,130.29x = 1,559.72 × 632.81
4. Step 4: Simplify right side
   1,130.29x = 987,011.89
5. Step 5: Solve for x
   x = 987,011.89/1,130.29
6. Step 6: Final answer
   x = 873.24