Finding the Fourth Proportional to 9,159.82, 12,642.18 and 5,182.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,159.82 : 12,642.18 = 5,182.18 : x
2. Step 2: Convert to fraction form
   9,159.82/12,642.18 = 5,182.18/x
3. Step 3: Cross multiply
   9,159.82x = 12,642.18 × 5,182.18
4. Step 4: Simplify right side
   9,159.82x = 65,514,052.35
5. Step 5: Solve for x
   x = 65,514,052.35/9,159.82
6. Step 6: Final answer
   x = 7,152.33