Finding the Fourth Proportional to 17,788.34, 26,698.71 and 9,475.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,788.34 : 26,698.71 = 9,475.31 : x
2. Step 2: Convert to fraction form
   17,788.34/26,698.71 = 9,475.31/x
3. Step 3: Cross multiply
   17,788.34x = 26,698.71 × 9,475.31
4. Step 4: Simplify right side
   17,788.34x = 252,978,553.85
5. Step 5: Solve for x
   x = 252,978,553.85/17,788.34
6. Step 6: Final answer
   x = 14,221.59