Finding the Fourth Proportional to 65,462, 90,337.74 and 37,172.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,462 : 90,337.74 = 37,172.12 : x
2. Step 2: Convert to fraction form
   65,462/90,337.74 = 37,172.12/x
3. Step 3: Cross multiply
   65,462x = 90,337.74 × 37,172.12
4. Step 4: Simplify right side
   65,462x = 3,358,045,311.81
5. Step 5: Solve for x
   x = 3,358,045,311.81/65,462
6. Step 6: Final answer
   x = 51,297.63