Finding the Fourth Proportional to 11,591.76, 16,003.56 and 7,619.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,591.76 : 16,003.56 = 7,619.52 : x
2. Step 2: Convert to fraction form
   11,591.76/16,003.56 = 7,619.52/x
3. Step 3: Cross multiply
   11,591.76x = 16,003.56 × 7,619.52
4. Step 4: Simplify right side
   11,591.76x = 121,939,445.49
5. Step 5: Solve for x
   x = 121,939,445.49/11,591.76
6. Step 6: Final answer
   x = 10,519.49