Finding the Fourth Proportional to 16,770.15, 23,146.59 and 11,105.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,770.15 : 23,146.59 = 11,105.10 : x
2. Step 2: Convert to fraction form
   16,770.15/23,146.59 = 11,105.10/x
3. Step 3: Cross multiply
   16,770.15x = 23,146.59 × 11,105.10
4. Step 4: Simplify right side
   16,770.15x = 257,045,196.61
5. Step 5: Solve for x
   x = 257,045,196.61/16,770.15
6. Step 6: Final answer
   x = 15,327.54