Finding the Fourth Proportional to 190,049.86, 262,274.25 and 105,174.82

Step by Step Solution

1. Step 1: Write the proportion equation
   190,049.86 : 262,274.25 = 105,174.82 : x
2. Step 2: Convert to fraction form
   190,049.86/262,274.25 = 105,174.82/x
3. Step 3: Cross multiply
   190,049.86x = 262,274.25 × 105,174.82
4. Step 4: Simplify right side
   190,049.86x = 27,584,647,034.39
5. Step 5: Solve for x
   x = 27,584,647,034.39/190,049.86
6. Step 6: Final answer
   x = 145,144.26