Finding the Fourth Proportional to 10,189.51, 14,061.92 and 5,713.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,189.51 : 14,061.92 = 5,713.36 : x
2. Step 2: Convert to fraction form
   10,189.51/14,061.92 = 5,713.36/x
3. Step 3: Cross multiply
   10,189.51x = 14,061.92 × 5,713.36
4. Step 4: Simplify right side
   10,189.51x = 80,340,747.53
5. Step 5: Solve for x
   x = 80,340,747.53/10,189.51
6. Step 6: Final answer
   x = 7,884.65