Finding the Fourth Proportional to 11,959.86, 16,500.15 and 7,481.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,959.86 : 16,500.15 = 7,481.91 : x
2. Step 2: Convert to fraction form
   11,959.86/16,500.15 = 7,481.91/x
3. Step 3: Cross multiply
   11,959.86x = 16,500.15 × 7,481.91
4. Step 4: Simplify right side
   11,959.86x = 123,452,637.29
5. Step 5: Solve for x
   x = 123,452,637.29/11,959.86
6. Step 6: Final answer
   x = 10,322.25