Finding the Fourth Proportional to 67,292.82, 92,191.50 and 64,770.48

Step by Step Solution

1. Step 1: Write the proportion equation
   67,292.82 : 92,191.50 = 64,770.48 : x
2. Step 2: Convert to fraction form
   67,292.82/92,191.50 = 64,770.48/x
3. Step 3: Cross multiply
   67,292.82x = 92,191.50 × 64,770.48
4. Step 4: Simplify right side
   67,292.82x = 5,971,287,706.92
5. Step 5: Solve for x
   x = 5,971,287,706.92/67,292.82
6. Step 6: Final answer
   x = 88,735.88