Finding the Fourth Proportional to 10,963.55, 16,465.12 and 10,084.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,963.55 : 16,465.12 = 10,084.45 : x
2. Step 2: Convert to fraction form
   10,963.55/16,465.12 = 10,084.45/x
3. Step 3: Cross multiply
   10,963.55x = 16,465.12 × 10,084.45
4. Step 4: Simplify right side
   10,963.55x = 166,041,700.61
5. Step 5: Solve for x
   x = 166,041,700.61/10,963.55
6. Step 6: Final answer
   x = 15,144.88