Finding the Fourth Proportional to 11,003.32, 15,185.82 and 7,645.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.32 : 15,185.82 = 7,645.24 : x
2. Step 2: Convert to fraction form
   11,003.32/15,185.82 = 7,645.24/x
3. Step 3: Cross multiply
   11,003.32x = 15,185.82 × 7,645.24
4. Step 4: Simplify right side
   11,003.32x = 116,099,238.50
5. Step 5: Solve for x
   x = 116,099,238.50/11,003.32
6. Step 6: Final answer
   x = 10,551.29