Finding the Fourth Proportional to 11,357.47, 17,039.70 and 5,814.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,357.47 : 17,039.70 = 5,814.71 : x
2. Step 2: Convert to fraction form
   11,357.47/17,039.70 = 5,814.71/x
3. Step 3: Cross multiply
   11,357.47x = 17,039.70 × 5,814.71
4. Step 4: Simplify right side
   11,357.47x = 99,080,871.39
5. Step 5: Solve for x
   x = 99,080,871.39/11,357.47
6. Step 6: Final answer
   x = 8,723.85