Finding the Fourth Proportional to 1,157.04, 1,596.72 and 633.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157.04 : 1,596.72 = 633.12 : x
2. Step 2: Convert to fraction form
   1,157.04/1,596.72 = 633.12/x
3. Step 3: Cross multiply
   1,157.04x = 1,596.72 × 633.12
4. Step 4: Simplify right side
   1,157.04x = 1,010,915.37
5. Step 5: Solve for x
   x = 1,010,915.37/1,157.04
6. Step 6: Final answer
   x = 873.71