Finding the Fourth Proportional to 1,157.51, 1,597.37 and 633.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157.51 : 1,597.37 = 633.57 : x
2. Step 2: Convert to fraction form
   1,157.51/1,597.37 = 633.57/x
3. Step 3: Cross multiply
   1,157.51x = 1,597.37 × 633.57
4. Step 4: Simplify right side
   1,157.51x = 1,012,042.54
5. Step 5: Solve for x
   x = 1,012,042.54/1,157.51
6. Step 6: Final answer
   x = 874.33