Finding the Fourth Proportional to 78,222.23, 107,906.93 and 49,493.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,222.23 : 107,906.93 = 49,493.48 : x
2. Step 2: Convert to fraction form
   78,222.23/107,906.93 = 49,493.48/x
3. Step 3: Cross multiply
   78,222.23x = 107,906.93 × 49,493.48
4. Step 4: Simplify right side
   78,222.23x = 5,340,689,066.02
5. Step 5: Solve for x
   x = 5,340,689,066.02/78,222.23
6. Step 6: Final answer
   x = 68,275.85