Finding the Fourth Proportional to 17,188.58, 23,721.33 and 9,634.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,188.58 : 23,721.33 = 9,634.91 : x
2. Step 2: Convert to fraction form
   17,188.58/23,721.33 = 9,634.91/x
3. Step 3: Cross multiply
   17,188.58x = 23,721.33 × 9,634.91
4. Step 4: Simplify right side
   17,188.58x = 228,552,796.24
5. Step 5: Solve for x
   x = 228,552,796.24/17,188.58
6. Step 6: Final answer
   x = 13,296.79