Finding the Fourth Proportional to 65,719.30, 90,692.53 and 37,425

Step by Step Solution

1. Step 1: Write the proportion equation
   65,719.30 : 90,692.53 = 37,425 : x
2. Step 2: Convert to fraction form
   65,719.30/90,692.53 = 37,425/x
3. Step 3: Cross multiply
   65,719.30x = 90,692.53 × 37,425
4. Step 4: Simplify right side
   65,719.30x = 3,394,167,935.25
5. Step 5: Solve for x
   x = 3,394,167,935.25/65,719.30
6. Step 6: Final answer
   x = 51,646.44