Finding the Fourth Proportional to 11,788.30, 16,250.46 and 7,538.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,788.30 : 16,250.46 = 7,538.86 : x
2. Step 2: Convert to fraction form
   11,788.30/16,250.46 = 7,538.86/x
3. Step 3: Cross multiply
   11,788.30x = 16,250.46 × 7,538.86
4. Step 4: Simplify right side
   11,788.30x = 122,509,942.88
5. Step 5: Solve for x
   x = 122,509,942.88/11,788.30
6. Step 6: Final answer
   x = 10,392.50