Finding the Fourth Proportional to 65,684.25, 90,644.37 and 37,389.94

Step by Step Solution

1. Step 1: Write the proportion equation
   65,684.25 : 90,644.37 = 37,389.94 : x
2. Step 2: Convert to fraction form
   65,684.25/90,644.37 = 37,389.94/x
3. Step 3: Cross multiply
   65,684.25x = 90,644.37 × 37,389.94
4. Step 4: Simplify right side
   65,684.25x = 3,389,187,188.81
5. Step 5: Solve for x
   x = 3,389,187,188.81/65,684.25
6. Step 6: Final answer
   x = 51,598.17