Finding the Fourth Proportional to 105,434.99, 158,160.59 and 30,556.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,434.99 : 158,160.59 = 30,556.16 : x
2. Step 2: Convert to fraction form
   105,434.99/158,160.59 = 30,556.16/x
3. Step 3: Cross multiply
   105,434.99x = 158,160.59 × 30,556.16
4. Step 4: Simplify right side
   105,434.99x = 4,832,780,293.73
5. Step 5: Solve for x
   x = 4,832,780,293.73/105,434.99
6. Step 6: Final answer
   x = 45,836.59