Finding the Fourth Proportional to 190,805.67, 263,321.82 and 105,924.15

Step by Step Solution

1. Step 1: Write the proportion equation
   190,805.67 : 263,321.82 = 105,924.15 : x
2. Step 2: Convert to fraction form
   190,805.67/263,321.82 = 105,924.15/x
3. Step 3: Cross multiply
   190,805.67x = 263,321.82 × 105,924.15
4. Step 4: Simplify right side
   190,805.67x = 27,892,139,959.95
5. Step 5: Solve for x
   x = 27,892,139,959.95/190,805.67
6. Step 6: Final answer
   x = 146,180.88