Finding the Fourth Proportional to 10,945.32, 16,410.41 and 7,236.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,945.32 : 16,410.41 = 7,236.36 : x
2. Step 2: Convert to fraction form
   10,945.32/16,410.41 = 7,236.36/x
3. Step 3: Cross multiply
   10,945.32x = 16,410.41 × 7,236.36
4. Step 4: Simplify right side
   10,945.32x = 118,751,634.51
5. Step 5: Solve for x
   x = 118,751,634.51/10,945.32
6. Step 6: Final answer
   x = 10,849.54