Finding the Fourth Proportional to 65,697, 90,661.95 and 37,402.68

Step by Step Solution

1. Step 1: Write the proportion equation
   65,697 : 90,661.95 = 37,402.68 : x
2. Step 2: Convert to fraction form
   65,697/90,661.95 = 37,402.68/x
3. Step 3: Cross multiply
   65,697x = 90,661.95 × 37,402.68
4. Step 4: Simplify right side
   65,697x = 3,390,999,904.03
5. Step 5: Solve for x
   x = 3,390,999,904.03/65,697
6. Step 6: Final answer
   x = 51,615.75