Finding the Fourth Proportional to 67,293.82, 92,192.87 and 64,771.48

Step by Step Solution

1. Step 1: Write the proportion equation
   67,293.82 : 92,192.87 = 64,771.48 : x
2. Step 2: Convert to fraction form
   67,293.82/92,192.87 = 64,771.48/x
3. Step 3: Cross multiply
   67,293.82x = 92,192.87 × 64,771.48
4. Step 4: Simplify right side
   67,293.82x = 5,971,468,635.35
5. Step 5: Solve for x
   x = 5,971,468,635.35/67,293.82
6. Step 6: Final answer
   x = 88,737.25