Finding the Fourth Proportional to 65,691, 90,653.68 and 37,396.69

Step by Step Solution

1. Step 1: Write the proportion equation
   65,691 : 90,653.68 = 37,396.69 : x
2. Step 2: Convert to fraction form
   65,691/90,653.68 = 37,396.69/x
3. Step 3: Cross multiply
   65,691x = 90,653.68 × 37,396.69
4. Step 4: Simplify right side
   65,691x = 3,390,147,388.43
5. Step 5: Solve for x
   x = 3,390,147,388.43/65,691
6. Step 6: Final answer
   x = 51,607.49