Finding the Fourth Proportional to 10,945.67, 16,416.72 and 3,924.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,945.67 : 16,416.72 = 3,924.50 : x
2. Step 2: Convert to fraction form
   10,945.67/16,416.72 = 3,924.50/x
3. Step 3: Cross multiply
   10,945.67x = 16,416.72 × 3,924.50
4. Step 4: Simplify right side
   10,945.67x = 64,427,335.56
5. Step 5: Solve for x
   x = 64,427,335.56/10,945.67
6. Step 6: Final answer
   x = 5,886.11