Finding the Fourth Proportional to 16,705.55, 23,054.36 and 9,152.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,705.55 : 23,054.36 = 9,152.54 : x
2. Step 2: Convert to fraction form
   16,705.55/23,054.36 = 9,152.54/x
3. Step 3: Cross multiply
   16,705.55x = 23,054.36 × 9,152.54
4. Step 4: Simplify right side
   16,705.55x = 211,005,877.49
5. Step 5: Solve for x
   x = 211,005,877.49/16,705.55
6. Step 6: Final answer
   x = 12,630.88