Finding the Fourth Proportional to 11,919.48, 17,875.56 and 8,245.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,919.48 : 17,875.56 = 8,245.32 : x
2. Step 2: Convert to fraction form
   11,919.48/17,875.56 = 8,245.32/x
3. Step 3: Cross multiply
   11,919.48x = 17,875.56 × 8,245.32
4. Step 4: Simplify right side
   11,919.48x = 147,389,712.38
5. Step 5: Solve for x
   x = 147,389,712.38/11,919.48
6. Step 6: Final answer
   x = 12,365.45