Finding the Fourth Proportional to 9,171.69, 12,656.98 and 5,193.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,171.69 : 12,656.98 = 5,193.58 : x
2. Step 2: Convert to fraction form
   9,171.69/12,656.98 = 5,193.58/x
3. Step 3: Cross multiply
   9,171.69x = 12,656.98 × 5,193.58
4. Step 4: Simplify right side
   9,171.69x = 65,735,069.18
5. Step 5: Solve for x
   x = 65,735,069.18/9,171.69
6. Step 6: Final answer
   x = 7,167.17