Finding the Fourth Proportional to 105,462.33, 158,209.05 and 30,572.73

Step by Step Solution

1. Step 1: Write the proportion equation
   105,462.33 : 158,209.05 = 30,572.73 : x
2. Step 2: Convert to fraction form
   105,462.33/158,209.05 = 30,572.73/x
3. Step 3: Cross multiply
   105,462.33x = 158,209.05 × 30,572.73
4. Step 4: Simplify right side
   105,462.33x = 4,836,882,569.21
5. Step 5: Solve for x
   x = 4,836,882,569.21/105,462.33
6. Step 6: Final answer
   x = 45,863.60