Finding the Fourth Proportional to 65,984.37, 91,059.57 and 37,690.26

Step by Step Solution

1. Step 1: Write the proportion equation
   65,984.37 : 91,059.57 = 37,690.26 : x
2. Step 2: Convert to fraction form
   65,984.37/91,059.57 = 37,690.26/x
3. Step 3: Cross multiply
   65,984.37x = 91,059.57 × 37,690.26
4. Step 4: Simplify right side
   65,984.37x = 3,432,058,868.79
5. Step 5: Solve for x
   x = 3,432,058,868.79/65,984.37
6. Step 6: Final answer
   x = 52,013.21