Finding the Fourth Proportional to 105,258.86, 157,898.91 and 34,178.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,258.86 : 157,898.91 = 34,178.52 : x
2. Step 2: Convert to fraction form
   105,258.86/157,898.91 = 34,178.52/x
3. Step 3: Cross multiply
   105,258.86x = 157,898.91 × 34,178.52
4. Step 4: Simplify right side
   105,258.86x = 5,396,751,053.41
5. Step 5: Solve for x
   x = 5,396,751,053.41/105,258.86
6. Step 6: Final answer
   x = 51,271.23