Finding the Fourth Proportional to 105,429.51, 158,237.82 and 49,300.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,429.51 : 158,237.82 = 49,300.16 : x
2. Step 2: Convert to fraction form
   105,429.51/158,237.82 = 49,300.16/x
3. Step 3: Cross multiply
   105,429.51x = 158,237.82 × 49,300.16
4. Step 4: Simplify right side
   105,429.51x = 7,801,149,052.86
5. Step 5: Solve for x
   x = 7,801,149,052.86/105,429.51
6. Step 6: Final answer
   x = 73,993.98