Finding the Fourth Proportional to 17,870.78, 26,770.42 and 10,751.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.78 : 26,770.42 = 10,751.09 : x
2. Step 2: Convert to fraction form
   17,870.78/26,770.42 = 10,751.09/x
3. Step 3: Cross multiply
   17,870.78x = 26,770.42 × 10,751.09
4. Step 4: Simplify right side
   17,870.78x = 287,811,194.76
5. Step 5: Solve for x
   x = 287,811,194.76/17,870.78
6. Step 6: Final answer
   x = 16,105.13