Finding the Fourth Proportional to 10,885.76, 16,336.38 and 4,963.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,885.76 : 16,336.38 = 4,963.43 : x
2. Step 2: Convert to fraction form
   10,885.76/16,336.38 = 4,963.43/x
3. Step 3: Cross multiply
   10,885.76x = 16,336.38 × 4,963.43
4. Step 4: Simplify right side
   10,885.76x = 81,084,396.90
5. Step 5: Solve for x
   x = 81,084,396.90/10,885.76
6. Step 6: Final answer
   x = 7,448.67