Finding the Fourth Proportional to 326,926.66, 451,196.59 and 190,994.59

Step by Step Solution

1. Step 1: Write the proportion equation
   326,926.66 : 451,196.59 = 190,994.59 : x
2. Step 2: Convert to fraction form
   326,926.66/451,196.59 = 190,994.59/x
3. Step 3: Cross multiply
   326,926.66x = 451,196.59 × 190,994.59
4. Step 4: Simplify right side
   326,926.66x = 86,176,105,460.47
5. Step 5: Solve for x
   x = 86,176,105,460.47/326,926.66
6. Step 6: Final answer
   x = 263,594.61