Finding the Fourth Proportional to 2,624.47, 3,937.11 and 892.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.47 : 3,937.11 = 892.69 : x
2. Step 2: Convert to fraction form
   2,624.47/3,937.11 = 892.69/x
3. Step 3: Cross multiply
   2,624.47x = 3,937.11 × 892.69
4. Step 4: Simplify right side
   2,624.47x = 3,514,605.54
5. Step 5: Solve for x
   x = 3,514,605.54/2,624.47
6. Step 6: Final answer
   x = 1,339.17