Finding the Fourth Proportional to 10,883.40, 16,315.22 and 3,953

Step by Step Solution

1. Step 1: Write the proportion equation
   10,883.40 : 16,315.22 = 3,953 : x
2. Step 2: Convert to fraction form
   10,883.40/16,315.22 = 3,953/x
3. Step 3: Cross multiply
   10,883.40x = 16,315.22 × 3,953
4. Step 4: Simplify right side
   10,883.40x = 64,494,064.66
5. Step 5: Solve for x
   x = 64,494,064.66/10,883.40
6. Step 6: Final answer
   x = 5,925.91