Finding the Fourth Proportional to 10,690.86, 16,032.20 and 4,453.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,690.86 : 16,032.20 = 4,453.82 : x
2. Step 2: Convert to fraction form
   10,690.86/16,032.20 = 4,453.82/x
3. Step 3: Cross multiply
   10,690.86x = 16,032.20 × 4,453.82
4. Step 4: Simplify right side
   10,690.86x = 71,404,533.00
5. Step 5: Solve for x
   x = 71,404,533.00/10,690.86
6. Step 6: Final answer
   x = 6,679.03