Finding the Fourth Proportional to 2,443.86, 3,661.61 and 1,927.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.86 : 3,661.61 = 1,927.17 : x
2. Step 2: Convert to fraction form
   2,443.86/3,661.61 = 1,927.17/x
3. Step 3: Cross multiply
   2,443.86x = 3,661.61 × 1,927.17
4. Step 4: Simplify right side
   2,443.86x = 7,056,535.31
5. Step 5: Solve for x
   x = 7,056,535.31/2,443.86
6. Step 6: Final answer
   x = 2,887.45