Finding the Fourth Proportional to 105,662.30, 158,634.22 and 61,320.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,662.30 : 158,634.22 = 61,320.88 : x
2. Step 2: Convert to fraction form
   105,662.30/158,634.22 = 61,320.88/x
3. Step 3: Cross multiply
   105,662.30x = 158,634.22 × 61,320.88
4. Step 4: Simplify right side
   105,662.30x = 9,727,589,968.51
5. Step 5: Solve for x
   x = 9,727,589,968.51/105,662.30
6. Step 6: Final answer
   x = 92,063.02