Finding the Fourth Proportional to 65,978.67, 91,062.75 and 37,684.35

Step by Step Solution

1. Step 1: Write the proportion equation
   65,978.67 : 91,062.75 = 37,684.35 : x
2. Step 2: Convert to fraction form
   65,978.67/91,062.75 = 37,684.35/x
3. Step 3: Cross multiply
   65,978.67x = 91,062.75 × 37,684.35
4. Step 4: Simplify right side
   65,978.67x = 3,431,640,542.96
5. Step 5: Solve for x
   x = 3,431,640,542.96/65,978.67
6. Step 6: Final answer
   x = 52,011.36