Finding the Fourth Proportional to 70,843.68, 106,142.81 and 49,743.59

Step by Step Solution

1. Step 1: Write the proportion equation
   70,843.68 : 106,142.81 = 49,743.59 : x
2. Step 2: Convert to fraction form
   70,843.68/106,142.81 = 49,743.59/x
3. Step 3: Cross multiply
   70,843.68x = 106,142.81 × 49,743.59
4. Step 4: Simplify right side
   70,843.68x = 5,279,923,642.66
5. Step 5: Solve for x
   x = 5,279,923,642.66/70,843.68
6. Step 6: Final answer
   x = 74,529.21