Finding the Fourth Proportional to 191,523.91, 287,086.29 and 107,160.39

Step by Step Solution

1. Step 1: Write the proportion equation
   191,523.91 : 287,086.29 = 107,160.39 : x
2. Step 2: Convert to fraction form
   191,523.91/287,086.29 = 107,160.39/x
3. Step 3: Cross multiply
   191,523.91x = 287,086.29 × 107,160.39
4. Step 4: Simplify right side
   191,523.91x = 30,764,277,632.52
5. Step 5: Solve for x
   x = 30,764,277,632.52/191,523.91
6. Step 6: Final answer
   x = 160,628.91