Finding the Fourth Proportional to 11,570.69, 15,969.80 and 7,591.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,570.69 : 15,969.80 = 7,591.68 : x
2. Step 2: Convert to fraction form
   11,570.69/15,969.80 = 7,591.68/x
3. Step 3: Cross multiply
   11,570.69x = 15,969.80 × 7,591.68
4. Step 4: Simplify right side
   11,570.69x = 121,237,630.24
5. Step 5: Solve for x
   x = 121,237,630.24/11,570.69
6. Step 6: Final answer
   x = 10,477.99