Finding the Fourth Proportional to 5,910.45, 8,159.75 and 3,923.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,910.45 : 8,159.75 = 3,923.72 : x
2. Step 2: Convert to fraction form
   5,910.45/8,159.75 = 3,923.72/x
3. Step 3: Cross multiply
   5,910.45x = 8,159.75 × 3,923.72
4. Step 4: Simplify right side
   5,910.45x = 32,016,569.37
5. Step 5: Solve for x
   x = 32,016,569.37/5,910.45
6. Step 6: Final answer
   x = 5,416.95