Finding the Fourth Proportional to 10,188.39, 14,060.55 and 5,713.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,188.39 : 14,060.55 = 5,713.57 : x
2. Step 2: Convert to fraction form
   10,188.39/14,060.55 = 5,713.57/x
3. Step 3: Cross multiply
   10,188.39x = 14,060.55 × 5,713.57
4. Step 4: Simplify right side
   10,188.39x = 80,335,936.66
5. Step 5: Solve for x
   x = 80,335,936.66/10,188.39
6. Step 6: Final answer
   x = 7,885.05