Finding the Fourth Proportional to 10,188.32, 14,059.23 and 5,712.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,188.32 : 14,059.23 = 5,712.03 : x
2. Step 2: Convert to fraction form
   10,188.32/14,059.23 = 5,712.03/x
3. Step 3: Cross multiply
   10,188.32x = 14,059.23 × 5,712.03
4. Step 4: Simplify right side
   10,188.32x = 80,306,743.54
5. Step 5: Solve for x
   x = 80,306,743.54/10,188.32
6. Step 6: Final answer
   x = 7,882.24