Finding the Fourth Proportional to 52,078.24, 78,087.29 and 45,850.76

Step by Step Solution

1. Step 1: Write the proportion equation
   52,078.24 : 78,087.29 = 45,850.76 : x
2. Step 2: Convert to fraction form
   52,078.24/78,087.29 = 45,850.76/x
3. Step 3: Cross multiply
   52,078.24x = 78,087.29 × 45,850.76
4. Step 4: Simplify right side
   52,078.24x = 3,580,361,523.89
5. Step 5: Solve for x
   x = 3,580,361,523.89/52,078.24
6. Step 6: Final answer
   x = 68,749.66