Finding the Fourth Proportional to 16,848.32, 23,250.72 and 9,396.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,848.32 : 23,250.72 = 9,396.80 : x
2. Step 2: Convert to fraction form
   16,848.32/23,250.72 = 9,396.80/x
3. Step 3: Cross multiply
   16,848.32x = 23,250.72 × 9,396.80
4. Step 4: Simplify right side
   16,848.32x = 218,482,365.70
5. Step 5: Solve for x
   x = 218,482,365.70/16,848.32
6. Step 6: Final answer
   x = 12,967.61