Finding the Fourth Proportional to 10,763.46, 16,147.53 and 4,519.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,763.46 : 16,147.53 = 4,519.91 : x
2. Step 2: Convert to fraction form
   10,763.46/16,147.53 = 4,519.91/x
3. Step 3: Cross multiply
   10,763.46x = 16,147.53 × 4,519.91
4. Step 4: Simplify right side
   10,763.46x = 72,985,382.32
5. Step 5: Solve for x
   x = 72,985,382.32/10,763.46
6. Step 6: Final answer
   x = 6,780.85