Finding the Fourth Proportional to 67,642.82, 93,364.82 and 38,965.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,642.82 : 93,364.82 = 38,965.78 : x
2. Step 2: Convert to fraction form
   67,642.82/93,364.82 = 38,965.78/x
3. Step 3: Cross multiply
   67,642.82x = 93,364.82 × 38,965.78
4. Step 4: Simplify right side
   67,642.82x = 3,638,033,035.86
5. Step 5: Solve for x
   x = 3,638,033,035.86/67,642.82
6. Step 6: Final answer
   x = 53,782.99