Finding the Fourth Proportional to 65,692.69, 90,656.01 and 37,398.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,692.69 : 90,656.01 = 37,398.38 : x
2. Step 2: Convert to fraction form
   65,692.69/90,656.01 = 37,398.38/x
3. Step 3: Cross multiply
   65,692.69x = 90,656.01 × 37,398.38
4. Step 4: Simplify right side
   65,692.69x = 3,390,387,457.98
5. Step 5: Solve for x
   x = 3,390,387,457.98/65,692.69
6. Step 6: Final answer
   x = 51,609.82