Finding the Fourth Proportional to 215,279.33, 322,719.31 and 95,272.49

Step by Step Solution

1. Step 1: Write the proportion equation
   215,279.33 : 322,719.31 = 95,272.49 : x
2. Step 2: Convert to fraction form
   215,279.33/322,719.31 = 95,272.49/x
3. Step 3: Cross multiply
   215,279.33x = 322,719.31 × 95,272.49
4. Step 4: Simplify right side
   215,279.33x = 30,746,271,613.33
5. Step 5: Solve for x
   x = 30,746,271,613.33/215,279.33
6. Step 6: Final answer
   x = 142,820.36