Finding the Fourth Proportional to 10,922.86, 16,378.53 and 4,763.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,922.86 : 16,378.53 = 4,763.50 : x
2. Step 2: Convert to fraction form
   10,922.86/16,378.53 = 4,763.50/x
3. Step 3: Cross multiply
   10,922.86x = 16,378.53 × 4,763.50
4. Step 4: Simplify right side
   10,922.86x = 78,019,127.66
5. Step 5: Solve for x
   x = 78,019,127.66/10,922.86
6. Step 6: Final answer
   x = 7,142.74