Finding the Fourth Proportional to 65,451, 90,322.56 and 37,161.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,451 : 90,322.56 = 37,161.12 : x
2. Step 2: Convert to fraction form
   65,451/90,322.56 = 37,161.12/x
3. Step 3: Cross multiply
   65,451x = 90,322.56 × 37,161.12
4. Step 4: Simplify right side
   65,451x = 3,356,487,490.87
5. Step 5: Solve for x
   x = 3,356,487,490.87/65,451
6. Step 6: Final answer
   x = 51,282.45