Finding the Fourth Proportional to 9,171.69, 12,656.93 and 4,979.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,171.69 : 12,656.93 = 4,979.94 : x
2. Step 2: Convert to fraction form
   9,171.69/12,656.93 = 4,979.94/x
3. Step 3: Cross multiply
   9,171.69x = 12,656.93 × 4,979.94
4. Step 4: Simplify right side
   9,171.69x = 63,030,751.98
5. Step 5: Solve for x
   x = 63,030,751.98/9,171.69
6. Step 6: Final answer
   x = 6,872.32