Finding the Fourth Proportional to 78,147.44, 107,803.81 and 49,418.69

Step by Step Solution

1. Step 1: Write the proportion equation
   78,147.44 : 107,803.81 = 49,418.69 : x
2. Step 2: Convert to fraction form
   78,147.44/107,803.81 = 49,418.69/x
3. Step 3: Cross multiply
   78,147.44x = 107,803.81 × 49,418.69
4. Step 4: Simplify right side
   78,147.44x = 5,327,523,067.21
5. Step 5: Solve for x
   x = 5,327,523,067.21/78,147.44
6. Step 6: Final answer
   x = 68,172.71