Finding the Fourth Proportional to 105,779.25, 158,651.82 and 30,881.79

Step by Step Solution

1. Step 1: Write the proportion equation
   105,779.25 : 158,651.82 = 30,881.79 : x
2. Step 2: Convert to fraction form
   105,779.25/158,651.82 = 30,881.79/x
3. Step 3: Cross multiply
   105,779.25x = 158,651.82 × 30,881.79
4. Step 4: Simplify right side
   105,779.25x = 4,899,452,188.36
5. Step 5: Solve for x
   x = 4,899,452,188.36/105,779.25
6. Step 6: Final answer
   x = 46,317.71