Finding the Fourth Proportional to 65,735.69, 90,733.82 and 38,887.53

Step by Step Solution

1. Step 1: Write the proportion equation
   65,735.69 : 90,733.82 = 38,887.53 : x
2. Step 2: Convert to fraction form
   65,735.69/90,733.82 = 38,887.53/x
3. Step 3: Cross multiply
   65,735.69x = 90,733.82 × 38,887.53
4. Step 4: Simplify right side
   65,735.69x = 3,528,413,952.83
5. Step 5: Solve for x
   x = 3,528,413,952.83/65,735.69
6. Step 6: Final answer
   x = 53,675.78