Finding the Fourth Proportional to 10,963.91, 16,445.83 and 3,943.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,963.91 : 16,445.83 = 3,943.91 : x
2. Step 2: Convert to fraction form
   10,963.91/16,445.83 = 3,943.91/x
3. Step 3: Cross multiply
   10,963.91x = 16,445.83 × 3,943.91
4. Step 4: Simplify right side
   10,963.91x = 64,860,873.40
5. Step 5: Solve for x
   x = 64,860,873.40/10,963.91
6. Step 6: Final answer
   x = 5,915.85