Finding the Fourth Proportional to 67,408.88, 93,017.94 and 65,144.12

Step by Step Solution

1. Step 1: Write the proportion equation
   67,408.88 : 93,017.94 = 65,144.12 : x
2. Step 2: Convert to fraction form
   67,408.88/93,017.94 = 65,144.12/x
3. Step 3: Cross multiply
   67,408.88x = 93,017.94 × 65,144.12
4. Step 4: Simplify right side
   67,408.88x = 6,059,571,845.51
5. Step 5: Solve for x
   x = 6,059,571,845.51/67,408.88
6. Step 6: Final answer
   x = 89,892.78