Finding the Fourth Proportional to 321,613.34, 482,079.54 and 108,178.07

Step by Step Solution

1. Step 1: Write the proportion equation
   321,613.34 : 482,079.54 = 108,178.07 : x
2. Step 2: Convert to fraction form
   321,613.34/482,079.54 = 108,178.07/x
3. Step 3: Cross multiply
   321,613.34x = 482,079.54 × 108,178.07
4. Step 4: Simplify right side
   321,613.34x = 52,150,434,223.69
5. Step 5: Solve for x
   x = 52,150,434,223.69/321,613.34
6. Step 6: Final answer
   x = 162,152.58