Finding the Fourth Proportional to 11,919.34, 16,441.85 and 7,435.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,919.34 : 16,441.85 = 7,435.31 : x
2. Step 2: Convert to fraction form
   11,919.34/16,441.85 = 7,435.31/x
3. Step 3: Cross multiply
   11,919.34x = 16,441.85 × 7,435.31
4. Step 4: Simplify right side
   11,919.34x = 122,250,251.72
5. Step 5: Solve for x
   x = 122,250,251.72/11,919.34
6. Step 6: Final answer
   x = 10,256.46