Finding the Fourth Proportional to 65,995.82, 91,073.27 and 35,780.57

Step by Step Solution

1. Step 1: Write the proportion equation
   65,995.82 : 91,073.27 = 35,780.57 : x
2. Step 2: Convert to fraction form
   65,995.82/91,073.27 = 35,780.57/x
3. Step 3: Cross multiply
   65,995.82x = 91,073.27 × 35,780.57
4. Step 4: Simplify right side
   65,995.82x = 3,258,653,146.45
5. Step 5: Solve for x
   x = 3,258,653,146.45/65,995.82
6. Step 6: Final answer
   x = 49,376.66