Finding the Fourth Proportional to 11,366.90, 17,042.64 and 3,967.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,366.90 : 17,042.64 = 3,967.31 : x
2. Step 2: Convert to fraction form
   11,366.90/17,042.64 = 3,967.31/x
3. Step 3: Cross multiply
   11,366.90x = 17,042.64 × 3,967.31
4. Step 4: Simplify right side
   11,366.90x = 67,613,463.83
5. Step 5: Solve for x
   x = 67,613,463.83/11,366.90
6. Step 6: Final answer
   x = 5,948.28