Finding the Fourth Proportional to 10,189.72, 14,062.16 and 5,713.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,189.72 : 14,062.16 = 5,713.52 : x
2. Step 2: Convert to fraction form
   10,189.72/14,062.16 = 5,713.52/x
3. Step 3: Cross multiply
   10,189.72x = 14,062.16 × 5,713.52
4. Step 4: Simplify right side
   10,189.72x = 80,344,481.84
5. Step 5: Solve for x
   x = 80,344,481.84/10,189.72
6. Step 6: Final answer
   x = 7,884.86