Finding the Fourth Proportional to 13,109.64, 18,093.18 and 7,804.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,109.64 : 18,093.18 = 7,804.32 : x
2. Step 2: Convert to fraction form
   13,109.64/18,093.18 = 7,804.32/x
3. Step 3: Cross multiply
   13,109.64x = 18,093.18 × 7,804.32
4. Step 4: Simplify right side
   13,109.64x = 141,204,966.54
5. Step 5: Solve for x
   x = 141,204,966.54/13,109.64
6. Step 6: Final answer
   x = 10,771.08