Finding the Fourth Proportional to 105,661.49, 158,442.06 and 61,301.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,661.49 : 158,442.06 = 61,301.84 : x
2. Step 2: Convert to fraction form
   105,661.49/158,442.06 = 61,301.84/x
3. Step 3: Cross multiply
   105,661.49x = 158,442.06 × 61,301.84
4. Step 4: Simplify right side
   105,661.49x = 9,712,789,019.18
5. Step 5: Solve for x
   x = 9,712,789,019.18/105,661.49
6. Step 6: Final answer
   x = 91,923.65