Finding the Fourth Proportional to 66,086.36, 91,196.72 and 35,871.02

Step by Step Solution

1. Step 1: Write the proportion equation
   66,086.36 : 91,196.72 = 35,871.02 : x
2. Step 2: Convert to fraction form
   66,086.36/91,196.72 = 35,871.02/x
3. Step 3: Cross multiply
   66,086.36x = 91,196.72 × 35,871.02
4. Step 4: Simplify right side
   66,086.36x = 3,271,319,367.05
5. Step 5: Solve for x
   x = 3,271,319,367.05/66,086.36
6. Step 6: Final answer
   x = 49,500.67