Finding the Fourth Proportional to 16,648.85, 24,985.56 and 7,883.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,648.85 : 24,985.56 = 7,883.75 : x
2. Step 2: Convert to fraction form
   16,648.85/24,985.56 = 7,883.75/x
3. Step 3: Cross multiply
   16,648.85x = 24,985.56 × 7,883.75
4. Step 4: Simplify right side
   16,648.85x = 196,979,783.72
5. Step 5: Solve for x
   x = 196,979,783.72/16,648.85
6. Step 6: Final answer
   x = 11,831.44