Finding the Fourth Proportional to 2,987.69, 4,123.52 and 1,729.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,987.69 : 4,123.52 = 1,729.52 : x
2. Step 2: Convert to fraction form
   2,987.69/4,123.52 = 1,729.52/x
3. Step 3: Cross multiply
   2,987.69x = 4,123.52 × 1,729.52
4. Step 4: Simplify right side
   2,987.69x = 7,131,694.02
5. Step 5: Solve for x
   x = 7,131,694.02/2,987.69
6. Step 6: Final answer
   x = 2,387.02