Finding the Fourth Proportional to 10,759.16, 16,145.03 and 4,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,759.16 : 16,145.03 = 4,518.72 : x
2. Step 2: Convert to fraction form
   10,759.16/16,145.03 = 4,518.72/x
3. Step 3: Cross multiply
   10,759.16x = 16,145.03 × 4,518.72
4. Step 4: Simplify right side
   10,759.16x = 72,954,881.26
5. Step 5: Solve for x
   x = 72,954,881.26/10,759.16
6. Step 6: Final answer
   x = 6,780.72