Finding the Fourth Proportional to 105,305.91, 157,870.01 and 49,116.41

Step by Step Solution

1. Step 1: Write the proportion equation
   105,305.91 : 157,870.01 = 49,116.41 : x
2. Step 2: Convert to fraction form
   105,305.91/157,870.01 = 49,116.41/x
3. Step 3: Cross multiply
   105,305.91x = 157,870.01 × 49,116.41
4. Step 4: Simplify right side
   105,305.91x = 7,754,007,102.93
5. Step 5: Solve for x
   x = 7,754,007,102.93/105,305.91
6. Step 6: Final answer
   x = 73,633.16