Finding the Fourth Proportional to 25,647, 38,473.56 and 7,875.32

Step by Step Solution

1. Step 1: Write the proportion equation
   25,647 : 38,473.56 = 7,875.32 : x
2. Step 2: Convert to fraction form
   25,647/38,473.56 = 7,875.32/x
3. Step 3: Cross multiply
   25,647x = 38,473.56 × 7,875.32
4. Step 4: Simplify right side
   25,647x = 302,991,404.17
5. Step 5: Solve for x
   x = 302,991,404.17/25,647
6. Step 6: Final answer
   x = 11,813.91