Finding the Fourth Proportional to 65,980.62, 91,050.82 and 35,765.29

Step by Step Solution

1. Step 1: Write the proportion equation
   65,980.62 : 91,050.82 = 35,765.29 : x
2. Step 2: Convert to fraction form
   65,980.62/91,050.82 = 35,765.29/x
3. Step 3: Cross multiply
   65,980.62x = 91,050.82 × 35,765.29
4. Step 4: Simplify right side
   65,980.62x = 3,256,458,665.00
5. Step 5: Solve for x
   x = 3,256,458,665.00/65,980.62
6. Step 6: Final answer
   x = 49,354.78