Finding the Fourth Proportional to 425,164.93, 586,720.56 and 234,196.09

Step by Step Solution

1. Step 1: Write the proportion equation
   425,164.93 : 586,720.56 = 234,196.09 : x
2. Step 2: Convert to fraction form
   425,164.93/586,720.56 = 234,196.09/x
3. Step 3: Cross multiply
   425,164.93x = 586,720.56 × 234,196.09
4. Step 4: Simplify right side
   425,164.93x = 137,407,661,074.61
5. Step 5: Solve for x
   x = 137,407,661,074.61/425,164.93
6. Step 6: Final answer
   x = 323,186.72