Finding the Fourth Proportional to 2,488.69, 3,729.67 and 948.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.69 : 3,729.67 = 948.85 : x
2. Step 2: Convert to fraction form
   2,488.69/3,729.67 = 948.85/x
3. Step 3: Cross multiply
   2,488.69x = 3,729.67 × 948.85
4. Step 4: Simplify right side
   2,488.69x = 3,538,897.38
5. Step 5: Solve for x
   x = 3,538,897.38/2,488.69
6. Step 6: Final answer
   x = 1,421.99