Finding the Fourth Proportional to 105,780.25, 158,653.32 and 30,882.79

Step by Step Solution

1. Step 1: Write the proportion equation
   105,780.25 : 158,653.32 = 30,882.79 : x
2. Step 2: Convert to fraction form
   105,780.25/158,653.32 = 30,882.79/x
3. Step 3: Cross multiply
   105,780.25x = 158,653.32 × 30,882.79
4. Step 4: Simplify right side
   105,780.25x = 4,899,657,164.36
5. Step 5: Solve for x
   x = 4,899,657,164.36/105,780.25
6. Step 6: Final answer
   x = 46,319.21