Finding the Fourth Proportional to 10,948.69, 15,109.25 and 5,980.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.69 : 15,109.25 = 5,980.69 : x
2. Step 2: Convert to fraction form
   10,948.69/15,109.25 = 5,980.69/x
3. Step 3: Cross multiply
   10,948.69x = 15,109.25 × 5,980.69
4. Step 4: Simplify right side
   10,948.69x = 90,363,740.38
5. Step 5: Solve for x
   x = 90,363,740.38/10,948.69
6. Step 6: Final answer
   x = 8,253.38