Finding the Fourth Proportional to 2,483.86, 3,726.02 and 923.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.86 : 3,726.02 = 923.80 : x
2. Step 2: Convert to fraction form
   2,483.86/3,726.02 = 923.80/x
3. Step 3: Cross multiply
   2,483.86x = 3,726.02 × 923.80
4. Step 4: Simplify right side
   2,483.86x = 3,442,097.28
5. Step 5: Solve for x
   x = 3,442,097.28/2,483.86
6. Step 6: Final answer
   x = 1,385.79