Finding the Fourth Proportional to 85,077.33, 117,408.77 and 51,087.25

Step by Step Solution

1. Step 1: Write the proportion equation
   85,077.33 : 117,408.77 = 51,087.25 : x
2. Step 2: Convert to fraction form
   85,077.33/117,408.77 = 51,087.25/x
3. Step 3: Cross multiply
   85,077.33x = 117,408.77 × 51,087.25
4. Step 4: Simplify right side
   85,077.33x = 5,998,090,636.22
5. Step 5: Solve for x
   x = 5,998,090,636.22/85,077.33
6. Step 6: Final answer
   x = 70,501.63