Finding the Fourth Proportional to 1,131.00, 1,560.82 and 633.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.00 : 1,560.82 = 633.63 : x
2. Step 2: Convert to fraction form
   1,131.00/1,560.82 = 633.63/x
3. Step 3: Cross multiply
   1,131.00x = 1,560.82 × 633.63
4. Step 4: Simplify right side
   1,131.00x = 988,982.53
5. Step 5: Solve for x
   x = 988,982.53/1,131.00
6. Step 6: Final answer
   x = 874.43