Finding the Fourth Proportional to 66,081.35, 91,189.82 and 35,866.02

Step by Step Solution

1. Step 1: Write the proportion equation
   66,081.35 : 91,189.82 = 35,866.02 : x
2. Step 2: Convert to fraction form
   66,081.35/91,189.82 = 35,866.02/x
3. Step 3: Cross multiply
   66,081.35x = 91,189.82 × 35,866.02
4. Step 4: Simplify right side
   66,081.35x = 3,270,616,213.45
5. Step 5: Solve for x
   x = 3,270,616,213.45/66,081.35
6. Step 6: Final answer
   x = 49,493.79