Finding the Fourth Proportional to 65,895.12, 90,933.30 and 37,215.96

Step by Step Solution

1. Step 1: Write the proportion equation
   65,895.12 : 90,933.30 = 37,215.96 : x
2. Step 2: Convert to fraction form
   65,895.12/90,933.30 = 37,215.96/x
3. Step 3: Cross multiply
   65,895.12x = 90,933.30 × 37,215.96
4. Step 4: Simplify right side
   65,895.12x = 3,384,170,055.47
5. Step 5: Solve for x
   x = 3,384,170,055.47/65,895.12
6. Step 6: Final answer
   x = 51,356.91