Finding the Fourth Proportional to 10,417.69, 15,619.57 and 5,739.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,417.69 : 15,619.57 = 5,739.94 : x
2. Step 2: Convert to fraction form
   10,417.69/15,619.57 = 5,739.94/x
3. Step 3: Cross multiply
   10,417.69x = 15,619.57 × 5,739.94
4. Step 4: Simplify right side
   10,417.69x = 89,655,394.63
5. Step 5: Solve for x
   x = 89,655,394.63/10,417.69
6. Step 6: Final answer
   x = 8,606.07