Finding the Fourth Proportional to 105,564.12, 158,356.54 and 30,684.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,564.12 : 158,356.54 = 30,684.88 : x
2. Step 2: Convert to fraction form
   105,564.12/158,356.54 = 30,684.88/x
3. Step 3: Cross multiply
   105,564.12x = 158,356.54 × 30,684.88
4. Step 4: Simplify right side
   105,564.12x = 4,859,151,427.12
5. Step 5: Solve for x
   x = 4,859,151,427.12/105,564.12
6. Step 6: Final answer
   x = 46,030.33