Finding the Fourth Proportional to 85,806.94, 118,408.72 and 50,002.78

Step by Step Solution

1. Step 1: Write the proportion equation
   85,806.94 : 118,408.72 = 50,002.78 : x
2. Step 2: Convert to fraction form
   85,806.94/118,408.72 = 50,002.78/x
3. Step 3: Cross multiply
   85,806.94x = 118,408.72 × 50,002.78
4. Step 4: Simplify right side
   85,806.94x = 5,920,765,176.24
5. Step 5: Solve for x
   x = 5,920,765,176.24/85,806.94
6. Step 6: Final answer
   x = 69,001.01