Finding the Fourth Proportional to 2,992.31, 4,488.77 and 1,144.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,992.31 : 4,488.77 = 1,144.98 : x
2. Step 2: Convert to fraction form
   2,992.31/4,488.77 = 1,144.98/x
3. Step 3: Cross multiply
   2,992.31x = 4,488.77 × 1,144.98
4. Step 4: Simplify right side
   2,992.31x = 5,139,546.15
5. Step 5: Solve for x
   x = 5,139,546.15/2,992.31
6. Step 6: Final answer
   x = 1,717.59