Finding the Fourth Proportional to 191,160.09, 263,814.72 and 106,289.91

Step by Step Solution

1. Step 1: Write the proportion equation
   191,160.09 : 263,814.72 = 106,289.91 : x
2. Step 2: Convert to fraction form
   191,160.09/263,814.72 = 106,289.91/x
3. Step 3: Cross multiply
   191,160.09x = 263,814.72 × 106,289.91
4. Step 4: Simplify right side
   191,160.09x = 28,040,842,845.48
5. Step 5: Solve for x
   x = 28,040,842,845.48/191,160.09
6. Step 6: Final answer
   x = 146,687.75