Finding the Fourth Proportional to 10,149.12, 14,005.20 and 5,958.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,149.12 : 14,005.20 = 5,958.72 : x
2. Step 2: Convert to fraction form
   10,149.12/14,005.20 = 5,958.72/x
3. Step 3: Cross multiply
   10,149.12x = 14,005.20 × 5,958.72
4. Step 4: Simplify right side
   10,149.12x = 83,453,065.34
5. Step 5: Solve for x
   x = 83,453,065.34/10,149.12
6. Step 6: Final answer
   x = 8,222.69