Finding the Fourth Proportional to 67,296.84, 92,197 and 64,774.48

Step by Step Solution

1. Step 1: Write the proportion equation
   67,296.84 : 92,197 = 64,774.48 : x
2. Step 2: Convert to fraction form
   67,296.84/92,197 = 64,774.48/x
3. Step 3: Cross multiply
   67,296.84x = 92,197 × 64,774.48
4. Step 4: Simplify right side
   67,296.84x = 5,972,012,732.56
5. Step 5: Solve for x
   x = 5,972,012,732.56/67,296.84
6. Step 6: Final answer
   x = 88,741.35