Finding the Fourth Proportional to 105,258.88, 157,898.82 and 30,380.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,258.88 : 157,898.82 = 30,380.84 : x
2. Step 2: Convert to fraction form
   105,258.88/157,898.82 = 30,380.84/x
3. Step 3: Cross multiply
   105,258.88x = 157,898.82 × 30,380.84
4. Step 4: Simplify right side
   105,258.88x = 4,797,098,786.61
5. Step 5: Solve for x
   x = 4,797,098,786.61/105,258.88
6. Step 6: Final answer
   x = 45,574.29