Finding the Fourth Proportional to 10,059.71, 13,884.55 and 5,811.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,059.71 : 13,884.55 = 5,811.47 : x
2. Step 2: Convert to fraction form
   10,059.71/13,884.55 = 5,811.47/x
3. Step 3: Cross multiply
   10,059.71x = 13,884.55 × 5,811.47
4. Step 4: Simplify right side
   10,059.71x = 80,689,561.84
5. Step 5: Solve for x
   x = 80,689,561.84/10,059.71
6. Step 6: Final answer
   x = 8,021.06