Finding the Fourth Proportional to 1,157.52, 1,597.35 and 633.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157.52 : 1,597.35 = 633.57 : x
2. Step 2: Convert to fraction form
   1,157.52/1,597.35 = 633.57/x
3. Step 3: Cross multiply
   1,157.52x = 1,597.35 × 633.57
4. Step 4: Simplify right side
   1,157.52x = 1,012,033.04
5. Step 5: Solve for x
   x = 1,012,033.04/1,157.52
6. Step 6: Final answer
   x = 874.31