Finding the Fourth Proportional to 10,111.69, 15,175.30 and 6,941.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.69 : 15,175.30 = 6,941.69 : x
2. Step 2: Convert to fraction form
   10,111.69/15,175.30 = 6,941.69/x
3. Step 3: Cross multiply
   10,111.69x = 15,175.30 × 6,941.69
4. Step 4: Simplify right side
   10,111.69x = 105,342,228.26
5. Step 5: Solve for x
   x = 105,342,228.26/10,111.69
6. Step 6: Final answer
   x = 10,417.87