Finding the Fourth Proportional to 105,867.32, 158,767.51 and 34,778.28

Step by Step Solution

1. Step 1: Write the proportion equation
   105,867.32 : 158,767.51 = 34,778.28 : x
2. Step 2: Convert to fraction form
   105,867.32/158,767.51 = 34,778.28/x
3. Step 3: Cross multiply
   105,867.32x = 158,767.51 × 34,778.28
4. Step 4: Simplify right side
   105,867.32x = 5,521,660,830.74
5. Step 5: Solve for x
   x = 5,521,660,830.74/105,867.32
6. Step 6: Final answer
   x = 52,156.42