Finding the Fourth Proportional to 1,130.16, 1,559.61 and 632.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,130.16 : 1,559.61 = 632.82 : x
2. Step 2: Convert to fraction form
   1,130.16/1,559.61 = 632.82/x
3. Step 3: Cross multiply
   1,130.16x = 1,559.61 × 632.82
4. Step 4: Simplify right side
   1,130.16x = 986,952.40
5. Step 5: Solve for x
   x = 986,952.40/1,130.16
6. Step 6: Final answer
   x = 873.29