Finding the Fourth Proportional to 105,904.84, 158,810.61 and 49,760.92

Step by Step Solution

1. Step 1: Write the proportion equation
   105,904.84 : 158,810.61 = 49,760.92 : x
2. Step 2: Convert to fraction form
   105,904.84/158,810.61 = 49,760.92/x
3. Step 3: Cross multiply
   105,904.84x = 158,810.61 × 49,760.92
4. Step 4: Simplify right side
   105,904.84x = 7,902,562,059.36
5. Step 5: Solve for x
   x = 7,902,562,059.36/105,904.84
6. Step 6: Final answer
   x = 74,619.46