Finding the Fourth Proportional to 10,663.55, 14,715.50 and 6,187.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,663.55 : 14,715.50 = 6,187.71 : x
2. Step 2: Convert to fraction form
   10,663.55/14,715.50 = 6,187.71/x
3. Step 3: Cross multiply
   10,663.55x = 14,715.50 × 6,187.71
4. Step 4: Simplify right side
   10,663.55x = 91,055,215.57
5. Step 5: Solve for x
   x = 91,055,215.57/10,663.55
6. Step 6: Final answer
   x = 8,538.93