Finding the Fourth Proportional to 65,976.72, 91,060.06 and 37,682.40

Step by Step Solution

1. Step 1: Write the proportion equation
   65,976.72 : 91,060.06 = 37,682.40 : x
2. Step 2: Convert to fraction form
   65,976.72/91,060.06 = 37,682.40/x
3. Step 3: Cross multiply
   65,976.72x = 91,060.06 × 37,682.40
4. Step 4: Simplify right side
   65,976.72x = 3,431,361,604.94
5. Step 5: Solve for x
   x = 3,431,361,604.94/65,976.72
6. Step 6: Final answer
   x = 52,008.67