Finding the Fourth Proportional to 105,675.58, 158,467.29 and 39,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,675.58 : 158,467.29 = 39,965.50 : x
2. Step 2: Convert to fraction form
   105,675.58/158,467.29 = 39,965.50/x
3. Step 3: Cross multiply
   105,675.58x = 158,467.29 × 39,965.50
4. Step 4: Simplify right side
   105,675.58x = 6,333,224,478.50
5. Step 5: Solve for x
   x = 6,333,224,478.50/105,675.58
6. Step 6: Final answer
   x = 59,930.82