Finding the Fourth Proportional to 11,752.78, 16,205.54 and 7,498.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,752.78 : 16,205.54 = 7,498.16 : x
2. Step 2: Convert to fraction form
   11,752.78/16,205.54 = 7,498.16/x
3. Step 3: Cross multiply
   11,752.78x = 16,205.54 × 7,498.16
4. Step 4: Simplify right side
   11,752.78x = 121,511,731.81
5. Step 5: Solve for x
   x = 121,511,731.81/11,752.78
6. Step 6: Final answer
   x = 10,338.98