Finding the Fourth Proportional to 65,980.24, 91,052.52 and 35,765.68

Step by Step Solution

1. Step 1: Write the proportion equation
   65,980.24 : 91,052.52 = 35,765.68 : x
2. Step 2: Convert to fraction form
   65,980.24/91,052.52 = 35,765.68/x
3. Step 3: Cross multiply
   65,980.24x = 91,052.52 × 35,765.68
4. Step 4: Simplify right side
   65,980.24x = 3,256,555,293.51
5. Step 5: Solve for x
   x = 3,256,555,293.51/65,980.24
6. Step 6: Final answer
   x = 49,356.52