Finding the Fourth Proportional to 10,188.86, 14,060.79 and 5,713.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,188.86 : 14,060.79 = 5,713.61 : x
2. Step 2: Convert to fraction form
   10,188.86/14,060.79 = 5,713.61/x
3. Step 3: Cross multiply
   10,188.86x = 14,060.79 × 5,713.61
4. Step 4: Simplify right side
   10,188.86x = 80,337,800.05
5. Step 5: Solve for x
   x = 80,337,800.05/10,188.86
6. Step 6: Final answer
   x = 7,884.87