Finding the Fourth Proportional to 17,196.48, 23,732.58 and 9,642.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,196.48 : 23,732.58 = 9,642.69 : x
2. Step 2: Convert to fraction form
   17,196.48/23,732.58 = 9,642.69/x
3. Step 3: Cross multiply
   17,196.48x = 23,732.58 × 9,642.69
4. Step 4: Simplify right side
   17,196.48x = 228,845,911.84
5. Step 5: Solve for x
   x = 228,845,911.84/17,196.48
6. Step 6: Final answer
   x = 13,307.72