Finding the Fourth Proportional to 670,561.42, 925,383.82 and 384,081.22

Step by Step Solution

1. Step 1: Write the proportion equation
   670,561.42 : 925,383.82 = 384,081.22 : x
2. Step 2: Convert to fraction form
   670,561.42/925,383.82 = 384,081.22/x
3. Step 3: Cross multiply
   670,561.42x = 925,383.82 × 384,081.22
4. Step 4: Simplify right side
   670,561.42x = 355,422,546,553.86
5. Step 5: Solve for x
   x = 355,422,546,553.86/670,561.42
6. Step 6: Final answer
   x = 530,037.27