Finding the Fourth Proportional to 1,933.67, 2,668.51 and 1,147.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.67 : 2,668.51 = 1,147.72 : x
2. Step 2: Convert to fraction form
   1,933.67/2,668.51 = 1,147.72/x
3. Step 3: Cross multiply
   1,933.67x = 2,668.51 × 1,147.72
4. Step 4: Simplify right side
   1,933.67x = 3,062,702.30
5. Step 5: Solve for x
   x = 3,062,702.30/1,933.67
6. Step 6: Final answer
   x = 1,583.88