Finding the Fourth Proportional to 105,822.18, 158,525.57 and 61,355.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,822.18 : 158,525.57 = 61,355.48 : x
2. Step 2: Convert to fraction form
   105,822.18/158,525.57 = 61,355.48/x
3. Step 3: Cross multiply
   105,822.18x = 158,525.57 × 61,355.48
4. Step 4: Simplify right side
   105,822.18x = 9,726,411,800.38
5. Step 5: Solve for x
   x = 9,726,411,800.38/105,822.18
6. Step 6: Final answer
   x = 91,912.79